#include <bits/stdc++.h>
using namespace std;
using ll = long long;
#define rep(i, n) for (int i = 0; i < (n); i++)
#define repr(i, n) for (int i = (n) - 1; i >= 0; i--)
#define range(a) a.begin(), a.end()

int main() {
    cin.tie(nullptr);
    ios::sync_with_stdio(false);
    int N; cin >> N;
    vector<int> A(N); rep(i, N) cin >> A[i];
    map<int, ll> dp;
    ll ans = 0;
    rep(i, N) {
        map<int, ll> ep;
        for (auto [k, v] : dp) {
            ep[gcd(k, A[i])] += v;
        }
        ep[A[i]]++;
        dp = ep;
        ans += dp[1];
    }
    cout << ans << endl;
}