3128680

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:178

約数の個数: 64

約数和(自身を含む): 7698240

約数和(自身を除く): 4569560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 43, 68, 85, 86, 107, 136, 170, 172, 214, 215, 340, 344, 428, 430, 535, 680, 731, 856, 860, 1070, 1462, 1720, 1819, 2140, 2924, 3638, 3655, 4280, 4601, 5848, 7276, 7310, 9095, 9202, 14552, 14620, 18190, 18404, 23005, 29240, 36380, 36808, 46010, 72760, 78217, 92020, 156434, 184040, 312868, 391085, 625736, 782170, 1564340, 3128680]

約数ペア:

[(1, 3128680), (2, 1564340), (4, 782170), (5, 625736), (8, 391085), (10, 312868), (17, 184040), (20, 156434), (34, 92020), (40, 78217), (43, 72760), (68, 46010), (85, 36808), (86, 36380), (107, 29240), (136, 23005), (170, 18404), (172, 18190), (214, 14620), (215, 14552), (340, 9202), (344, 9095), (428, 7310), (430, 7276), (535, 5848), (680, 4601), (731, 4280), (856, 3655), (860, 3638), (1070, 2924), (1462, 2140), (1720, 1819)]