163217820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{2720297}}^1$

素因数の和:2720309

約数の個数: 24

約数和(自身を含む): 457010064

約数和(自身を除く): 293792244

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 2720297, 5440594, 8160891, 10881188, 13601485, 16321782, 27202970, 32643564, 40804455, 54405940, 81608910, 163217820]

約数ペア:

[(1, 163217820), (2, 81608910), (3, 54405940), (4, 40804455), (5, 32643564), (6, 27202970), (10, 16321782), (12, 13601485), (15, 10881188), (20, 8160891), (30, 5440594), (60, 2720297)]