#include <bits/stdc++.h>
using namespace std;
using lint = long long;
template<class T = int> using V = vector<T>;
template<class T = int> using VV = V< V<T> >;

int main() {
  cin.tie(nullptr); ios::sync_with_stdio(false);
  int n; cin >> n;
  map<int, lint> dp;
  dp[0] = 1;
  while (n--) {
    int a; cin >> a;
    auto ndp = dp;
    for (const auto& e : dp) {
      ndp[__gcd(e.first, a)] += e.second;
    }
    swap(dp, ndp);
  }
  cout << dp[1] << '\n';
}