72480940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{517721}}^1$

素因数の和:517737

約数の個数: 24

約数和(自身を含む): 173954592

約数和(自身を除く): 101473652

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 517721, 1035442, 2070884, 2588605, 3624047, 5177210, 7248094, 10354420, 14496188, 18120235, 36240470, 72480940]

約数ペア:

[(1, 72480940), (2, 36240470), (4, 18120235), (5, 14496188), (7, 10354420), (10, 7248094), (14, 5177210), (20, 3624047), (28, 2588605), (35, 2070884), (70, 1035442), (140, 517721)]