72780160

素因数分解:

$2^7\times 5^1\times {\mathrm{113719}}^1$

素因数の和:113738

約数の個数: 32

約数和(自身を含む): 173991600

約数和(自身を除く): 101211440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 113719, 227438, 454876, 568595, 909752, 1137190, 1819504, 2274380, 3639008, 4548760, 7278016, 9097520, 14556032, 18195040, 36390080, 72780160]

約数ペア:

[(1, 72780160), (2, 36390080), (4, 18195040), (5, 14556032), (8, 9097520), (10, 7278016), (16, 4548760), (20, 3639008), (32, 2274380), (40, 1819504), (64, 1137190), (80, 909752), (128, 568595), (160, 454876), (320, 227438), (640, 113719)]