242797620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{311279}}^1$

素因数の和:311304

約数の個数: 48

約数和(自身を含む): 732130560

約数和(自身を除く): 489332940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 311279, 622558, 933837, 1245116, 1556395, 1867674, 3112790, 3735348, 4046627, 4669185, 6225580, 8093254, 9338370, 12139881, 16186508, 18676740, 20233135, 24279762, 40466270, 48559524, 60699405, 80932540, 121398810, 242797620]

約数ペア:

[(1, 242797620), (2, 121398810), (3, 80932540), (4, 60699405), (5, 48559524), (6, 40466270), (10, 24279762), (12, 20233135), (13, 18676740), (15, 16186508), (20, 12139881), (26, 9338370), (30, 8093254), (39, 6225580), (52, 4669185), (60, 4046627), (65, 3735348), (78, 3112790), (130, 1867674), (156, 1556395), (195, 1245116), (260, 933837), (390, 622558), (780, 311279)]