#define _USE_MATH_DEFINES
#include <bits/stdc++.h>
using namespace std;
signed main() {
  ios::sync_with_stdio(false); cin.tie(0);
  int n;
  cin >> n;
  map<long long, int> dp;
  dp[0] = 1;
  for (int i = 0; i < n; i++) {
    long long x;
    cin >> x;
    vector<pair<long long, int>> new_;
    for (auto p : dp) new_.emplace_back(__gcd(p.first, x), p.second);
    for (auto p : new_) dp[p.first] += p.second;
  }
  cout << dp[1] << '\n';
  return 0;
}