import sys
import math
from collections import defaultdict

def main():
    n = int(sys.stdin.readline())
    a = list(map(int, sys.stdin.readline().split()))
    total = 0
    prev = dict()
    for num in a:
        curr = defaultdict(int)
        # Process previous GCDs
        for g in prev:
            new_g = math.gcd(g, num)
            curr[new_g] += prev[g]
        # Add the current number as a single-element subarray
        curr[num] += 1
        # Update total
        total += curr.get(1, 0)
        # Update prev for next iteration
        prev = curr
    print(total)

if __name__ == "__main__":
    main()