#include <bits/stdc++.h>
using namespace std;
using i64 = int_fast64_t;
using ui64 = uint_fast64_t;
#define REP(i, n) for (i64 (i) = 0; (i) < (n); ++(i))
#define FOR(i, a, b) for (i64 (i) = (a); (i) < (b); ++(i))
i64 gcd(i64 a,i64 b){return b?gcd(b,a%b):a;}

vector<map<i64, i64>> dp;

signed main() {

    int N;  cin >> N;

    dp.resize(N + 1);

    vector<int> A(N);
    REP(i, N) cin >> A[i];

    dp[0][0] = 1;

    REP(i, N) {
        for (auto& e: dp[i]) {
            dp[i + 1][e.first] += e.second;
            dp[i + 1][gcd(A[i], e.first)] += e.second;
        }
    }

    cout << dp[N][1] << endl;

}