#include <fstream>
#include <vector>

using namespace std;

ifstream cin("indep.in");
ofstream cout("indep.out");

int gcd(int a, int b) {
    int r;
    while (a % b > 0) {
        r = a % b;
        a = b;
        b = r;
    }
    return b;
}

void add(vector<int> &a, vector<int> &b, vector<int> &c) {
    int t = 0;
    if (a[0] < b[0]) a[0] = b[0];
    for (int i = 1 ; i <= a[0] ; ++i) {
        t = t + a[i] + b[i];
        c[i] = t % 10;
        t /= 10;
    }
    if (t > 0) c[++a[0]] = t;
    c[0] = a[0];
}

void output(vector<int> &a) {
    for (int i = a[0] ; i >= 1 ; --i) {
        cout << a[i];
    }
}

int n;
vector<int> v, one;
vector<vector<int>> dp;

int main() {
    cin >> n;
    v.assign(n + 2, 0);
    dp.assign(1003, vector<int>(1e4, 0));
    one.assign(1e5, 0);
    one[0] = one[1] = 1;
    dp[0][0] = dp[0][1] = 1;
    for (int i = 1 ; i <= n ; ++i) {
        cin >> v[i];
    }
    for (int j = 1 ; j <= n ; ++j) {
        for (int i = 1 ; i <= 1000 ; ++i) {
            int div = gcd(i, v[j]);
            add(dp[div], dp[i], dp[div]);
        }
        add(dp[v[j]], one, dp[v[j]]);
    }
    output(dp[1]);
    return 0;
}