#include <bits/stdc++.h>

int ri() {
	int n;
	scanf("%d", &n);
	return n;
}

int gcd(int a, int b) {
	if (a >= 1000000000) return b;
	if (b >= 1000000000) return a;
	while (a && b) {
		if (a > b) a %= b;
		else b %= a;
	}
	return a + b;
}

int main() {
	int n = ri();
	int a[n];
	for (int i = 0; i < n; i++) a[i] = ri();
	std::map<int, int64_t> dp;
	dp[a[0]] = 1;
	dp[1000000000] = 1;
	for (int i = 1; i < n; i++)
		for (auto &j : dp) dp[gcd(j.first, a[i])] += (int64_t) j.second;
	std::cout << dp[1] << std::endl;
	return 0;
}