72144680

素因数分解:

$2^3\times 5^1\times {\mathrm{1151}}^1\times {\mathrm{1567}}^1$

素因数の和:2729

約数の個数: 32

約数和(自身を含む): 162570240

約数和(自身を除く): 90425560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1151, 1567, 2302, 3134, 4604, 5755, 6268, 7835, 9208, 11510, 12536, 15670, 23020, 31340, 46040, 62680, 1803617, 3607234, 7214468, 9018085, 14428936, 18036170, 36072340, 72144680]

約数ペア:

[(1, 72144680), (2, 36072340), (4, 18036170), (5, 14428936), (8, 9018085), (10, 7214468), (20, 3607234), (40, 1803617), (1151, 62680), (1567, 46040), (2302, 31340), (3134, 23020), (4604, 15670), (5755, 12536), (6268, 11510), (7835, 9208)]