import math
import sys

def main():
    input = sys.stdin.read().split()
    n = int(input[0])
    A = list(map(int, input[1:n+1]))
    
    prev = {}
    ans = 0
    
    for num in A:
        curr = {}
        curr[num] = 1
        for g in prev:
            new_gcd = math.gcd(g, num)
            if new_gcd in curr:
                curr[new_gcd] += prev[g]
            else:
                curr[new_gcd] = prev[g]
        ans += curr.get(1, 0)
        prev = curr
    
    print(ans)

if __name__ == "__main__":
    main()