138215820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{2303597}}^1$

素因数の和:2303609

約数の個数: 24

約数和(自身を含む): 387004464

約数和(自身を除く): 248788644

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 2303597, 4607194, 6910791, 9214388, 11517985, 13821582, 23035970, 27643164, 34553955, 46071940, 69107910, 138215820]

約数ペア:

[(1, 138215820), (2, 69107910), (3, 46071940), (4, 34553955), (5, 27643164), (6, 23035970), (10, 13821582), (12, 11517985), (15, 9214388), (20, 6910791), (30, 4607194), (60, 2303597)]