140995280

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2411}}^1$

素因数の和:2484

約数の個数: 80

約数和(自身を含む): 355316544

約数和(自身を除く): 214321264

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 43, 68, 80, 85, 86, 136, 170, 172, 215, 272, 340, 344, 430, 680, 688, 731, 860, 1360, 1462, 1720, 2411, 2924, 3440, 3655, 4822, 5848, 7310, 9644, 11696, 12055, 14620, 19288, 24110, 29240, 38576, 40987, 48220, 58480, 81974, 96440, 103673, 163948, 192880, 204935, 207346, 327896, 409870, 414692, 518365, 655792, 819740, 829384, 1036730, 1639480, 1658768, 1762441, 2073460, 3278960, 3524882, 4146920, 7049764, 8293840, 8812205, 14099528, 17624410, 28199056, 35248820, 70497640, 140995280]

約数ペア:

[(1, 140995280), (2, 70497640), (4, 35248820), (5, 28199056), (8, 17624410), (10, 14099528), (16, 8812205), (17, 8293840), (20, 7049764), (34, 4146920), (40, 3524882), (43, 3278960), (68, 2073460), (80, 1762441), (85, 1658768), (86, 1639480), (136, 1036730), (170, 829384), (172, 819740), (215, 655792), (272, 518365), (340, 414692), (344, 409870), (430, 327896), (680, 207346), (688, 204935), (731, 192880), (860, 163948), (1360, 103673), (1462, 96440), (1720, 81974), (2411, 58480), (2924, 48220), (3440, 40987), (3655, 38576), (4822, 29240), (5848, 24110), (7310, 19288), (9644, 14620), (11696, 12055)]