278018240

素因数分解:

$2^6\times 5^1\times {\mathrm{127}}^1\times {\mathrm{6841}}^1$

素因数の和:6985

約数の個数: 56

約数和(自身を含む): 667341312

約数和(自身を除く): 389323072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 160, 254, 320, 508, 635, 1016, 1270, 2032, 2540, 4064, 5080, 6841, 8128, 10160, 13682, 20320, 27364, 34205, 40640, 54728, 68410, 109456, 136820, 218912, 273640, 437824, 547280, 868807, 1094560, 1737614, 2189120, 3475228, 4344035, 6950456, 8688070, 13900912, 17376140, 27801824, 34752280, 55603648, 69504560, 139009120, 278018240]

約数ペア:

[(1, 278018240), (2, 139009120), (4, 69504560), (5, 55603648), (8, 34752280), (10, 27801824), (16, 17376140), (20, 13900912), (32, 8688070), (40, 6950456), (64, 4344035), (80, 3475228), (127, 2189120), (160, 1737614), (254, 1094560), (320, 868807), (508, 547280), (635, 437824), (1016, 273640), (1270, 218912), (2032, 136820), (2540, 109456), (4064, 68410), (5080, 54728), (6841, 40640), (8128, 34205), (10160, 27364), (13682, 20320)]