import sys
import math

def main():
    n = int(sys.stdin.readline())
    a_list = list(map(int, sys.stdin.readline().split()))
    res = 0
    prev = {}
    for a in a_list:
        curr = {}
        # Process previous GCDs
        for g, cnt in prev.items():
            new_g = math.gcd(g, a)
            if new_g in curr:
                curr[new_g] += cnt
            else:
                curr[new_g] = cnt
        # Add the current element as a new subarray
        new_g = a
        if new_g in curr:
            curr[new_g] += 1
        else:
            curr[new_g] = 1
        # Accumulate the count of GCD 1
        res += curr.get(1, 0)
        # Update prev for next iteration
        prev = curr
    print(res)

if __name__ == "__main__":
    main()