import sys
import math
from collections import defaultdict

def main():
    n = int(sys.stdin.readline())
    a = list(map(int, sys.stdin.readline().split()))
    result = 0
    prev = defaultdict(int)
    for x in a:
        curr = defaultdict(int)
        for g, cnt in prev.items():
            new_g = math.gcd(g, x)
            curr[new_g] += cnt
        curr[x] += 1
        prev = curr
        result += prev.get(1, 0)
    print(result)

if __name__ == "__main__":
    main()