#include <bits/stdc++.h>

using namespace std;

ifstream f("indep.in");
ofstream g("indep.out");

const int nmax=1005,baza=1000;
int n,dp[nmax][105],v[3],x;

void adun(int a[105],int b[105])
{
    int i, r = 0;
    for(i = 1; i <= a[0] or i <= b[0] or r > 0; i++)
    {
        a[i] = a[i] + b[i] + r;
        r = a[i] / baza;
        a[i] %= baza;
    }
    a[0] = i - 1;
}
int cmmdc(int a,int b)
{
    int c;
    while(b)
    {
        c = a % b;
        a = b;
        b = c;
    }
    return a;
}
int main()
{
    f >> n;
    v[0] = v[1] = 1;
    for(int i = 1; i <= n; i++)
    {
        f >> x;
        for(int j = 1; j <= 1000; j++)
        {
            adun(dp[cmmdc(x,j)],dp[j]);
        }
        adun(dp[x],v);
    }
    g << dp[1][dp[1][0]];
    for(int i = dp[1][0] - 1; i >= 1; i--)
    {
        if(dp[1][i] < 10) g << "00";
        else if(dp[1][i] < 100) g << "0";
        g << dp[1][i];
    }
    return 0;
}