import math

def main():
    import sys
    input = sys.stdin.read
    data = input().split()
    n = int(data[0])
    a = list(map(int, data[1:n+1]))
    
    total = 0
    current_gcds = dict()
    
    for num in a:
        temp = dict()
        # Process previous GCDs
        for g in current_gcds:
            new_g = math.gcd(g, num)
            if new_g in temp:
                temp[new_g] += current_gcds[g]
            else:
                temp[new_g] = current_gcds[g]
        # Add the current number as a single-element subarray
        if num in temp:
            temp[num] += 1
        else:
            temp[num] = 1
        # Update total with the count of GCD 1
        if 1 in temp:
            total += temp[1]
        # Update current_gcds for the next iteration
        current_gcds = temp
    
    print(total)

if __name__ == "__main__":
    main()