678809920

素因数分解:

$2^6\times 5^1\times {\mathrm{127}}^1\times {\mathrm{16703}}^1$

素因数の和:16847

約数の個数: 56

約数和(自身を含む): 1629241344

約数和(自身を除く): 950431424

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, 8128, 10160, 16703, 20320, 33406, 40640, 66812, 83515, 133624, 167030, 267248, 334060, 534496, 668120, 1068992, 1336240, 2121281, 2672480, 4242562, 5344960, 8485124, 10606405, 16970248, 21212810, 33940496, 42425620, 67880992, 84851240, 135761984, 169702480, 339404960, 678809920]

約数ペア:

[(1, 678809920), (2, 339404960), (4, 169702480), (5, 135761984), (8, 84851240), (10, 67880992), (16, 42425620), (20, 33940496), (32, 21212810), (40, 16970248), (64, 10606405), (80, 8485124), (127, 5344960), (160, 4242562), (254, 2672480), (320, 2121281), (508, 1336240), (635, 1068992), (1016, 668120), (1270, 534496), (2032, 334060), (2540, 267248), (4064, 167030), (5080, 133624), (8128, 83515), (10160, 66812), (16703, 40640), (20320, 33406)]