120205640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{4111}}^1$

素因数の和:4182

約数の個数: 64

約数和(自身を含む): 293103360

約数和(自身を除く): 172897720

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 43, 68, 85, 86, 136, 170, 172, 215, 340, 344, 430, 680, 731, 860, 1462, 1720, 2924, 3655, 4111, 5848, 7310, 8222, 14620, 16444, 20555, 29240, 32888, 41110, 69887, 82220, 139774, 164440, 176773, 279548, 349435, 353546, 559096, 698870, 707092, 883865, 1397740, 1414184, 1767730, 2795480, 3005141, 3535460, 6010282, 7070920, 12020564, 15025705, 24041128, 30051410, 60102820, 120205640]

約数ペア:

[(1, 120205640), (2, 60102820), (4, 30051410), (5, 24041128), (8, 15025705), (10, 12020564), (17, 7070920), (20, 6010282), (34, 3535460), (40, 3005141), (43, 2795480), (68, 1767730), (85, 1414184), (86, 1397740), (136, 883865), (170, 707092), (172, 698870), (215, 559096), (340, 353546), (344, 349435), (430, 279548), (680, 176773), (731, 164440), (860, 139774), (1462, 82220), (1720, 69887), (2924, 41110), (3655, 32888), (4111, 29240), (5848, 20555), (7310, 16444), (8222, 14620)]