import sys
from math import gcd

def main():
    input = sys.stdin.read().split()
    n = int(input[0])
    a = list(map(int, input[1:n+1]))
    
    total = 0
    prev_gcds = {}
    
    for num in a:
        current_gcds = {}
        # Process previous GCDs
        for g in prev_gcds:
            new_g = gcd(g, num)
            if new_g in current_gcds:
                current_gcds[new_g] += prev_gcds[g]
            else:
                current_gcds[new_g] = prev_gcds[g]
        # Add the current number as a subarray of length 1
        if num in current_gcds:
            current_gcds[num] += 1
        else:
            current_gcds[num] = 1
        # Update total with the count of GCD 1
        total += current_gcds.get(1, 0)
        # Update prev_gcds for next iteration
        prev_gcds = current_gcds
    
    print(total)

if __name__ == "__main__":
    main()