import sys
import math
from collections import defaultdict

def main():
    input = sys.stdin.read().split()
    n = int(input[0])
    a = list(map(int, input[1:n+1]))

    ans = 0
    prev_gcd = defaultdict(int)

    for x in a:
        curr_gcd = defaultdict(int)
        # Process previous GCD entries
        for g in prev_gcd:
            new_g = math.gcd(g, x)
            curr_gcd[new_g] += prev_gcd[g]
        # Add the current element as a single-element subarray
        curr_gcd[x] += 1
        # Update the answer
        ans += curr_gcd.get(1, 0)
        # Update prev_gcd for the next iteration
        prev_gcd = curr_gcd

    print(ans)

if __name__ == "__main__":
    main()