31483920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{10091}}^1$

素因数の和:10120

約数の個数: 80

約数和(自身を含む): 105118272

約数和(自身を除く): 73634352

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 10091, 20182, 30273, 40364, 50455, 60546, 80728, 100910, 121092, 131183, 151365, 161456, 201820, 242184, 262366, 302730, 393549, 403640, 484368, 524732, 605460, 655915, 787098, 807280, 1049464, 1210920, 1311830, 1574196, 1967745, 2098928, 2421840, 2623660, 3148392, 3935490, 5247320, 6296784, 7870980, 10494640, 15741960, 31483920]

約数ペア:

[(1, 31483920), (2, 15741960), (3, 10494640), (4, 7870980), (5, 6296784), (6, 5247320), (8, 3935490), (10, 3148392), (12, 2623660), (13, 2421840), (15, 2098928), (16, 1967745), (20, 1574196), (24, 1311830), (26, 1210920), (30, 1049464), (39, 807280), (40, 787098), (48, 655915), (52, 605460), (60, 524732), (65, 484368), (78, 403640), (80, 393549), (104, 302730), (120, 262366), (130, 242184), (156, 201820), (195, 161456), (208, 151365), (240, 131183), (260, 121092), (312, 100910), (390, 80728), (520, 60546), (624, 50455), (780, 40364), (1040, 30273), (1560, 20182), (3120, 10091)]