15691218920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{383}}^1\times {\mathrm{78787}}^1$

素因数の和:79194

約数の個数: 64

約数和(自身を含む): 38120785920

約数和(自身を除く): 22429567000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 383, 520, 766, 1532, 1915, 3064, 3830, 4979, 7660, 9958, 15320, 19916, 24895, 39832, 49790, 78787, 99580, 157574, 199160, 315148, 393935, 630296, 787870, 1024231, 1575740, 2048462, 3151480, 4096924, 5121155, 8193848, 10242310, 20484620, 30175421, 40969240, 60350842, 120701684, 150877105, 241403368, 301754210, 392280473, 603508420, 784560946, 1207016840, 1569121892, 1961402365, 3138243784, 3922804730, 7845609460, 15691218920]

約数ペア:

[(1, 15691218920), (2, 7845609460), (4, 3922804730), (5, 3138243784), (8, 1961402365), (10, 1569121892), (13, 1207016840), (20, 784560946), (26, 603508420), (40, 392280473), (52, 301754210), (65, 241403368), (104, 150877105), (130, 120701684), (260, 60350842), (383, 40969240), (520, 30175421), (766, 20484620), (1532, 10242310), (1915, 8193848), (3064, 5121155), (3830, 4096924), (4979, 3151480), (7660, 2048462), (9958, 1575740), (15320, 1024231), (19916, 787870), (24895, 630296), (39832, 393935), (49790, 315148), (78787, 199160), (99580, 157574)]