81569640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{679747}}^1$

素因数の和:679761

約数の個数: 32

約数和(自身を含む): 244709280

約数和(自身を除く): 163139640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 679747, 1359494, 2039241, 2718988, 3398735, 4078482, 5437976, 6797470, 8156964, 10196205, 13594940, 16313928, 20392410, 27189880, 40784820, 81569640]

約数ペア:

[(1, 81569640), (2, 40784820), (3, 27189880), (4, 20392410), (5, 16313928), (6, 13594940), (8, 10196205), (10, 8156964), (12, 6797470), (15, 5437976), (20, 4078482), (24, 3398735), (30, 2718988), (40, 2039241), (60, 1359494), (120, 679747)]