81853920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{56843}}^1$

素因数の和:56864

約数の個数: 72

約数和(自身を含む): 279331416

約数和(自身を除く): 197477496

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 56843, 113686, 170529, 227372, 284215, 341058, 454744, 511587, 568430, 682116, 852645, 909488, 1023174, 1136860, 1364232, 1705290, 1818976, 2046348, 2273720, 2557935, 2728464, 3410580, 4092696, 4547440, 5115870, 5456928, 6821160, 8185392, 9094880, 10231740, 13642320, 16370784, 20463480, 27284640, 40926960, 81853920]

約数ペア:

[(1, 81853920), (2, 40926960), (3, 27284640), (4, 20463480), (5, 16370784), (6, 13642320), (8, 10231740), (9, 9094880), (10, 8185392), (12, 6821160), (15, 5456928), (16, 5115870), (18, 4547440), (20, 4092696), (24, 3410580), (30, 2728464), (32, 2557935), (36, 2273720), (40, 2046348), (45, 1818976), (48, 1705290), (60, 1364232), (72, 1136860), (80, 1023174), (90, 909488), (96, 852645), (120, 682116), (144, 568430), (160, 511587), (180, 454744), (240, 341058), (288, 284215), (360, 227372), (480, 170529), (720, 113686), (1440, 56843)]