68537720

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{24133}}^1$

素因数の和:24215

約数の個数: 32

約数和(自身を含む): 156388320

約数和(自身を除く): 87850600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 24133, 48266, 96532, 120665, 193064, 241330, 482660, 965320, 1713443, 3426886, 6853772, 8567215, 13707544, 17134430, 34268860, 68537720]

約数ペア:

[(1, 68537720), (2, 34268860), (4, 17134430), (5, 13707544), (8, 8567215), (10, 6853772), (20, 3426886), (40, 1713443), (71, 965320), (142, 482660), (284, 241330), (355, 193064), (568, 120665), (710, 96532), (1420, 48266), (2840, 24133)]