161428440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{18947}}^1$

素因数の和:19032

約数の個数: 64

約数和(自身を含む): 491132160

約数和(自身を除く): 329703720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 142, 213, 284, 355, 426, 568, 710, 852, 1065, 1420, 1704, 2130, 2840, 4260, 8520, 18947, 37894, 56841, 75788, 94735, 113682, 151576, 189470, 227364, 284205, 378940, 454728, 568410, 757880, 1136820, 1345237, 2273640, 2690474, 4035711, 5380948, 6726185, 8071422, 10761896, 13452370, 16142844, 20178555, 26904740, 32285688, 40357110, 53809480, 80714220, 161428440]

約数ペア:

[(1, 161428440), (2, 80714220), (3, 53809480), (4, 40357110), (5, 32285688), (6, 26904740), (8, 20178555), (10, 16142844), (12, 13452370), (15, 10761896), (20, 8071422), (24, 6726185), (30, 5380948), (40, 4035711), (60, 2690474), (71, 2273640), (120, 1345237), (142, 1136820), (213, 757880), (284, 568410), (355, 454728), (426, 378940), (568, 284205), (710, 227364), (852, 189470), (1065, 151576), (1420, 113682), (1704, 94735), (2130, 75788), (2840, 56841), (4260, 37894), (8520, 18947)]