import java.io.*;
import java.util.*;

public class Main {
    public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner();
        int n = sc.nextInt();
        HashMap<Integer, Long> counts = new HashMap<>();
        for (int i = 0; i < n; i++) {
            HashMap<Integer, Long> nexts = new HashMap<>();
            int x = sc.nextInt();
            for (int y : counts.keySet()) {
                int gcd = getGCD(x, y);
                nexts.put(gcd, nexts.getOrDefault(gcd, 0L) + counts.get(y));
            }
            nexts.put(x, nexts.getOrDefault(x, 0L) + 1);
            for (int y : nexts.keySet()) {
                counts.put(y, counts.getOrDefault(y, 0L) + nexts.get(y));
            }
        }
        System.out.println(counts.getOrDefault(1, 0L));
    }
    
    static int getGCD(int x, int y) {
        if (x % y == 0) {
            return y;
        } else {
            return getGCD(y, x % y);
        }
    }
}
class Scanner {
    BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
    StringTokenizer st = new StringTokenizer("");
    
    public Scanner() throws Exception {
        
    }
    
    public int nextInt() throws Exception {
        return Integer.parseInt(next());
    }
    
    public long nextLong() throws Exception {
        return Long.parseLong(next());
    }
    
    public double nextDouble() throws Exception {
        return Double.parseDouble(next());
    }
    
    public String nextLine() throws Exception {
        return br.readLine();
    }
    
    public String next() throws Exception {
        if (!st.hasMoreTokens()) {
            st = new StringTokenizer(br.readLine());
        }
        return st.nextToken();
    }
}