868904320

素因数分解:

$2^7\times 5^1\times {\mathrm{1087}}^1\times {\mathrm{1249}}^1$

素因数の和:2355

約数の個数: 64

約数和(自身を含む): 2080800000

約数和(自身を除く): 1211895680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 1087, 1249, 2174, 2498, 4348, 4996, 5435, 6245, 8696, 9992, 10870, 12490, 17392, 19984, 21740, 24980, 34784, 39968, 43480, 49960, 69568, 79936, 86960, 99920, 139136, 159872, 173920, 199840, 347840, 399680, 695680, 799360, 1357663, 2715326, 5430652, 6788315, 10861304, 13576630, 21722608, 27153260, 43445216, 54306520, 86890432, 108613040, 173780864, 217226080, 434452160, 868904320]

約数ペア:

[(1, 868904320), (2, 434452160), (4, 217226080), (5, 173780864), (8, 108613040), (10, 86890432), (16, 54306520), (20, 43445216), (32, 27153260), (40, 21722608), (64, 13576630), (80, 10861304), (128, 6788315), (160, 5430652), (320, 2715326), (640, 1357663), (1087, 799360), (1249, 695680), (2174, 399680), (2498, 347840), (4348, 199840), (4996, 173920), (5435, 159872), (6245, 139136), (8696, 99920), (9992, 86960), (10870, 79936), (12490, 69568), (17392, 49960), (19984, 43480), (21740, 39968), (24980, 34784)]