import java.util.*;

public class Main {
    
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        TreeMap<Integer, Long>  dp = new TreeMap<>();
        dp.put(sc.nextInt(), 1L);
        for (int i = 1; i < n; i++) {
            int x = sc.nextInt();
            Integer key = 0;
            while ((key = dp.higherKey(key)) != null) {
                int gcd = getGCD(key, x);
                dp.put(gcd, dp.getOrDefault(gcd, 0L) + dp.get(key));
            }
            dp.put(x, dp.getOrDefault(x, 0L) + 1L);
        }
        System.out.println(dp.getOrDefault(1, 0L));
    }
    
    static int getGCD(int x, int y) {
        if (x % y == 0) {
            return y;
        } else {
            return getGCD(y, x % y);
        }
    }
}