315031280

素因数分解:

$2^4\times 5^1\times {\mathrm{269}}^1\times {\mathrm{14639}}^1$

素因数の和:14921

約数の個数: 40

約数和(自身を含む): 735220800

約数和(自身を除く): 420189520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 269, 538, 1076, 1345, 2152, 2690, 4304, 5380, 10760, 14639, 21520, 29278, 58556, 73195, 117112, 146390, 234224, 292780, 585560, 1171120, 3937891, 7875782, 15751564, 19689455, 31503128, 39378910, 63006256, 78757820, 157515640, 315031280]

約数ペア:

[(1, 315031280), (2, 157515640), (4, 78757820), (5, 63006256), (8, 39378910), (10, 31503128), (16, 19689455), (20, 15751564), (40, 7875782), (80, 3937891), (269, 1171120), (538, 585560), (1076, 292780), (1345, 234224), (2152, 146390), (2690, 117112), (4304, 73195), (5380, 58556), (10760, 29278), (14639, 21520)]