import sys
import math
from collections import defaultdict

def main():
    data = sys.stdin.read().split()
    n = int(data[0])
    a = list(map(int, data[1:n+1]))
    
    total = 0
    prev_gcd = {}  # Initialized as an empty dictionary
    
    for num in a:
        current_gcd = defaultdict(int)
        # Process previous GCDs
        for g in prev_gcd:
            new_g = math.gcd(g, num)
            current_gcd[new_g] += prev_gcd[g]
        # Add the current number itself as a subarray
        current_gcd[num] += 1
        # Accumulate the count of subarrays with GCD 1
        total += current_gcd.get(1, 0)
        # Update prev_gcd for the next iteration
        prev_gcd = dict(current_gcd)
    
    print(total)

if __name__ == "__main__":
    main()