136647880

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{521}}^1$

素因数の和:694

約数の個数: 64

約数和(自身を含む): 315705600

約数和(自身を除く): 179057720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 83, 158, 166, 316, 332, 395, 415, 521, 632, 664, 790, 830, 1042, 1580, 1660, 2084, 2605, 3160, 3320, 4168, 5210, 6557, 10420, 13114, 20840, 26228, 32785, 41159, 43243, 52456, 65570, 82318, 86486, 131140, 164636, 172972, 205795, 216215, 262280, 329272, 345944, 411590, 432430, 823180, 864860, 1646360, 1729720, 3416197, 6832394, 13664788, 17080985, 27329576, 34161970, 68323940, 136647880]

約数ペア:

[(1, 136647880), (2, 68323940), (4, 34161970), (5, 27329576), (8, 17080985), (10, 13664788), (20, 6832394), (40, 3416197), (79, 1729720), (83, 1646360), (158, 864860), (166, 823180), (316, 432430), (332, 411590), (395, 345944), (415, 329272), (521, 262280), (632, 216215), (664, 205795), (790, 172972), (830, 164636), (1042, 131140), (1580, 86486), (1660, 82318), (2084, 65570), (2605, 52456), (3160, 43243), (3320, 41159), (4168, 32785), (5210, 26228), (6557, 20840), (10420, 13114)]