#include<stdio.h>

#define NMAX 507

int n, a[NMAX], D[NMAX][NMAX * 2];

inline int cmmdc(int a, int b){
    if(!b)
        return a;
    return 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", &a[i]);
    for(int i = 1; i <= n; ++ i)
        D[i][a[i]] = 1;
    for(int i = 1; i <= n; ++ i)
        for(int j = 1; j <= 1000; ++ j){
            D[i + 1][j] += D[i][j];
            D[i + 1][cmmdc(j, a[i])] += D[i][j];
        }
    printf("%d", D[n][1]);
    return 0;
}