import sys
import math

def main():
    input = sys.stdin.read().split()
    n = int(input[0])
    a = list(map(int, input[1:n+1]))
    
    ans = 0
    prev_gcd = {}
    
    for num in a:
        current_gcd = {}
        current_gcd[num] = 1
        
        for g, cnt in prev_gcd.items():
            new_g = math.gcd(g, num)
            if new_g in current_gcd:
                current_gcd[new_g] += cnt
            else:
                current_gcd[new_g] = cnt
        
        ans += current_gcd.get(1, 0)
        prev_gcd = current_gcd
    
    print(ans)

if __name__ == "__main__":
    main()