257764740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{4296079}}^1$

素因数の和:4296091

約数の個数: 24

約数和(自身を含む): 721741440

約数和(自身を除く): 463976700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 4296079, 8592158, 12888237, 17184316, 21480395, 25776474, 42960790, 51552948, 64441185, 85921580, 128882370, 257764740]

約数ペア:

[(1, 257764740), (2, 128882370), (3, 85921580), (4, 64441185), (5, 51552948), (6, 42960790), (10, 25776474), (12, 21480395), (15, 17184316), (20, 12888237), (30, 8592158), (60, 4296079)]