257554020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{4292567}}^1$

素因数の和:4292579

約数の個数: 24

約数和(自身を含む): 721151424

約数和(自身を除く): 463597404

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 4292567, 8585134, 12877701, 17170268, 21462835, 25755402, 42925670, 51510804, 64388505, 85851340, 128777010, 257554020]

約数ペア:

[(1, 257554020), (2, 128777010), (3, 85851340), (4, 64388505), (5, 51510804), (6, 42925670), (10, 25755402), (12, 21462835), (15, 17170268), (20, 12877701), (30, 8585134), (60, 4292567)]