128399220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{713329}}^1$

素因数の和:713344

約数の個数: 36

約数和(自身を含む): 389478180

約数和(自身を除く): 261078960

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 713329, 1426658, 2139987, 2853316, 3566645, 4279974, 6419961, 7133290, 8559948, 10699935, 12839922, 14266580, 21399870, 25679844, 32099805, 42799740, 64199610, 128399220]

約数ペア:

[(1, 128399220), (2, 64199610), (3, 42799740), (4, 32099805), (5, 25679844), (6, 21399870), (9, 14266580), (10, 12839922), (12, 10699935), (15, 8559948), (18, 7133290), (20, 6419961), (30, 4279974), (36, 3566645), (45, 2853316), (60, 2139987), (90, 1426658), (180, 713329)]