180250240

素因数分解:

$2^7\times 5^1\times {\mathrm{281641}}^1$

素因数の和:281660

約数の個数: 32

約数和(自身を含む): 430912260

約数和(自身を除く): 250662020

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 281641, 563282, 1126564, 1408205, 2253128, 2816410, 4506256, 5632820, 9012512, 11265640, 18025024, 22531280, 36050048, 45062560, 90125120, 180250240]

約数ペア:

[(1, 180250240), (2, 90125120), (4, 45062560), (5, 36050048), (8, 22531280), (10, 18025024), (16, 11265640), (20, 9012512), (32, 5632820), (40, 4506256), (64, 2816410), (80, 2253128), (128, 1408205), (160, 1126564), (320, 563282), (640, 281641)]