1538871680

素因数分解:

$2^7\times 5^1\times {\mathrm{137}}^1\times {\mathrm{17551}}^1$

素因数の和:17707

約数の個数: 64

約数和(自身を含む): 3705929280

約数和(自身を除く): 2167057600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 137, 160, 274, 320, 548, 640, 685, 1096, 1370, 2192, 2740, 4384, 5480, 8768, 10960, 17536, 17551, 21920, 35102, 43840, 70204, 87680, 87755, 140408, 175510, 280816, 351020, 561632, 702040, 1123264, 1404080, 2246528, 2404487, 2808160, 4808974, 5616320, 9617948, 11232640, 12022435, 19235896, 24044870, 38471792, 48089740, 76943584, 96179480, 153887168, 192358960, 307774336, 384717920, 769435840, 1538871680]

約数ペア:

[(1, 1538871680), (2, 769435840), (4, 384717920), (5, 307774336), (8, 192358960), (10, 153887168), (16, 96179480), (20, 76943584), (32, 48089740), (40, 38471792), (64, 24044870), (80, 19235896), (128, 12022435), (137, 11232640), (160, 9617948), (274, 5616320), (320, 4808974), (548, 2808160), (640, 2404487), (685, 2246528), (1096, 1404080), (1370, 1123264), (2192, 702040), (2740, 561632), (4384, 351020), (5480, 280816), (8768, 175510), (10960, 140408), (17536, 87755), (17551, 87680), (21920, 70204), (35102, 43840)]