156913079020

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{2729}}^1\times {\mathrm{16061}}^1$

素因数の和:18978

約数の個数: 48

約数和(自身を含む): 331500405600

約数和(自身を除く): 174587326580

約数列:

[1, 2, 4, 5, 10, 20, 179, 358, 716, 895, 1790, 2729, 3580, 5458, 10916, 13645, 16061, 27290, 32122, 54580, 64244, 80305, 160610, 321220, 488491, 976982, 1953964, 2442455, 2874919, 4884910, 5749838, 9769820, 11499676, 14374595, 28749190, 43830469, 57498380, 87660938, 175321876, 219152345, 438304690, 876609380, 7845653951, 15691307902, 31382615804, 39228269755, 78456539510, 156913079020]

約数ペア:

[(1, 156913079020), (2, 78456539510), (4, 39228269755), (5, 31382615804), (10, 15691307902), (20, 7845653951), (179, 876609380), (358, 438304690), (716, 219152345), (895, 175321876), (1790, 87660938), (2729, 57498380), (3580, 43830469), (5458, 28749190), (10916, 14374595), (13645, 11499676), (16061, 9769820), (27290, 5749838), (32122, 4884910), (54580, 2874919), (64244, 2442455), (80305, 1953964), (160610, 976982), (321220, 488491)]