131791620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{30937}}^1$

素因数の和:31020

約数の個数: 48

約数和(自身を含む): 374226048

約数和(自身を除く): 242434428

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 2130, 4260, 30937, 61874, 92811, 123748, 154685, 185622, 309370, 371244, 464055, 618740, 928110, 1856220, 2196527, 4393054, 6589581, 8786108, 10982635, 13179162, 21965270, 26358324, 32947905, 43930540, 65895810, 131791620]

約数ペア:

[(1, 131791620), (2, 65895810), (3, 43930540), (4, 32947905), (5, 26358324), (6, 21965270), (10, 13179162), (12, 10982635), (15, 8786108), (20, 6589581), (30, 4393054), (60, 2196527), (71, 1856220), (142, 928110), (213, 618740), (284, 464055), (355, 371244), (426, 309370), (710, 185622), (852, 154685), (1065, 123748), (1420, 92811), (2130, 61874), (4260, 30937)]