15138340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{108131}}^1$

素因数の和:108147

約数の個数: 24

約数和(自身を含む): 36332352

約数和(自身を除く): 21194012

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 108131, 216262, 432524, 540655, 756917, 1081310, 1513834, 2162620, 3027668, 3784585, 7569170, 15138340]

約数ペア:

[(1, 15138340), (2, 7569170), (4, 3784585), (5, 3027668), (7, 2162620), (10, 1513834), (14, 1081310), (20, 756917), (28, 540655), (35, 432524), (70, 216262), (140, 108131)]