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

int main() {
  int N; { cin >> N; }
  vector<int> A(N); { for (int i = 0; i < N; ++i) cin >> A[i]; }
  map<int, int64_t> d; {
    d[0] = 1;
    for (int i = 0; i < N; ++i) {
      map<int, int64_t> nd; {
        for (auto it : d) {
          int v;
          int64_t c; 
          tie(v, c) = it;
          nd[__gcd(v, A[i])] += c;
          nd[v] += c;
        }
      }
      swap(d, nd);
    }
  }
  cout << d[1] << endl;
}