#include <cstdio>

using namespace std;

typedef long long int64;

const int N = 505;
const int NR = 1000;

int n;
int v[N];
int64 d[N][NR + 1];

int cmmdc(int a, int b)
{
    return (b == 0) ? a : cmmdc(b, a % b);
}

int main()
{
    freopen ("indep.in", "r", stdin);
    freopen ("indep.out", "w", stdout);

    scanf("%d", &n);
    for (int i = 1; i <= n; ++i)
        scanf("%d", &v[i]);
    
    for (int i = 0; i < n; ++i) {
        d[i + 1][v[i + 1]] += 1;
        for (int j = 1; j <= NR; ++j) {
            d[i + 1][j] += d[i][j];
            d[i + 1][cmmdc(v[i + 1], j)] += d[i][j];
        }
    }

    printf("%lld", d[n][1]);
}