257032140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{4283869}}^1$

素因数の和:4283881

約数の個数: 24

約数和(自身を含む): 719690160

約数和(自身を除く): 462658020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 4283869, 8567738, 12851607, 17135476, 21419345, 25703214, 42838690, 51406428, 64258035, 85677380, 128516070, 257032140]

約数ペア:

[(1, 257032140), (2, 128516070), (3, 85677380), (4, 64258035), (5, 51406428), (6, 42838690), (10, 25703214), (12, 21419345), (15, 17135476), (20, 12851607), (30, 8567738), (60, 4283869)]