642870

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{2381}}^1$

素因数の和:2397

約数の個数: 32

約数和(自身を含む): 1715040

約数和(自身を除く): 1072170

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 2381, 4762, 7143, 11905, 14286, 21429, 23810, 35715, 42858, 64287, 71430, 107145, 128574, 214290, 321435, 642870]

約数ペア:

[(1, 642870), (2, 321435), (3, 214290), (5, 128574), (6, 107145), (9, 71430), (10, 64287), (15, 42858), (18, 35715), (27, 23810), (30, 21429), (45, 14286), (54, 11905), (90, 7143), (135, 4762), (270, 2381)]