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

//Greatest Common Divisor
long long GCD(long long a, long long b) {
    return ((b == 0) ? a : GCD(b, a % b));
}

int main() {
	int N; cin >> N;
	assert(1<= N && N <= 50);
	vector<int> A(N);
	for(int i = 0; i < N; ++i) cin >> A[i];
	for(int i = 0; i < N; ++i) assert(1 <= A[i] && A[i] <= 100000000);

	// dp[i][j] := (最後にA[i]を使ってgcdがjになるような場合の数) 
	vector<map<int,long long>> dp(N);

	long long ans = 0;
	//dp O(N*N*d(A)*(log(A)+log(d(A)))  d(A) Aの約数の個数
	for(int i = 0; i < N; ++i) {
		dp[i][A[i]]++;
		for(int j = i+1; j < N; ++j) {
			for(auto e:dp[i]){
				dp[j][GCD(e.first,A[j])] += e.second;
			}
		}
		ans += dp[i][1];
	}
	cout << ans << endl;
	return 0;
}