1231548240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{394727}}^1$

素因数の和:394756

約数の個数: 80

約数和(自身を含む): 4111486848

約数和(自身を除く): 2879938608

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, 394727, 789454, 1184181, 1578908, 1973635, 2368362, 3157816, 3947270, 4736724, 5131451, 5920905, 6315632, 7894540, 9473448, 10262902, 11841810, 15394353, 15789080, 18946896, 20525804, 23683620, 25657255, 30788706, 31578160, 41051608, 47367240, 51314510, 61577412, 76971765, 82103216, 94734480, 102629020, 123154824, 153943530, 205258040, 246309648, 307887060, 410516080, 615774120, 1231548240]

約数ペア:

[(1, 1231548240), (2, 615774120), (3, 410516080), (4, 307887060), (5, 246309648), (6, 205258040), (8, 153943530), (10, 123154824), (12, 102629020), (13, 94734480), (15, 82103216), (16, 76971765), (20, 61577412), (24, 51314510), (26, 47367240), (30, 41051608), (39, 31578160), (40, 30788706), (48, 25657255), (52, 23683620), (60, 20525804), (65, 18946896), (78, 15789080), (80, 15394353), (104, 11841810), (120, 10262902), (130, 9473448), (156, 7894540), (195, 6315632), (208, 5920905), (240, 5131451), (260, 4736724), (312, 3947270), (390, 3157816), (520, 2368362), (624, 1973635), (780, 1578908), (1040, 1184181), (1560, 789454), (3120, 394727)]