#include <bits/stdc++.h>
using namespace std;

int main() {
    int n; cin >> n;
    vector<int> a(n);
    for(auto &e : a) cin >> e;
    map<int, long long> dp;
    dp[0] = 1;
    for(auto &x : a) {
        map<int, long long> np(dp);
        for(auto &[g, cnt] : dp) {
            np[gcd(g, x)] += dp[g];
        }
        dp = np;
    }
    cout << dp[1] << '\n';
    return 0;
}