201499020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{2659}}^1$

素因数の和:3095

約数の個数: 72

約数和(自身を含む): 612895920

約数和(自身を除く): 411396900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 421, 842, 1263, 1684, 2105, 2526, 2659, 3789, 4210, 5052, 5318, 6315, 7578, 7977, 8420, 10636, 12630, 13295, 15156, 15954, 18945, 23931, 25260, 26590, 31908, 37890, 39885, 47862, 53180, 75780, 79770, 95724, 119655, 159540, 239310, 478620, 1119439, 2238878, 3358317, 4477756, 5597195, 6716634, 10074951, 11194390, 13433268, 16791585, 20149902, 22388780, 33583170, 40299804, 50374755, 67166340, 100749510, 201499020]

約数ペア:

[(1, 201499020), (2, 100749510), (3, 67166340), (4, 50374755), (5, 40299804), (6, 33583170), (9, 22388780), (10, 20149902), (12, 16791585), (15, 13433268), (18, 11194390), (20, 10074951), (30, 6716634), (36, 5597195), (45, 4477756), (60, 3358317), (90, 2238878), (180, 1119439), (421, 478620), (842, 239310), (1263, 159540), (1684, 119655), (2105, 95724), (2526, 79770), (2659, 75780), (3789, 53180), (4210, 47862), (5052, 39885), (5318, 37890), (6315, 31908), (7578, 26590), (7977, 25260), (8420, 23931), (10636, 18945), (12630, 15954), (13295, 15156)]