import sys
import math

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

if __name__ == "__main__":
    main()