1210640

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{409}}^1$

素因数の和:459

約数の個数: 40

約数和(自身を含む): 2897880

約数和(自身を除く): 1687240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 409, 592, 740, 818, 1480, 1636, 2045, 2960, 3272, 4090, 6544, 8180, 15133, 16360, 30266, 32720, 60532, 75665, 121064, 151330, 242128, 302660, 605320, 1210640]

約数ペア:

[(1, 1210640), (2, 605320), (4, 302660), (5, 242128), (8, 151330), (10, 121064), (16, 75665), (20, 60532), (37, 32720), (40, 30266), (74, 16360), (80, 15133), (148, 8180), (185, 6544), (296, 4090), (370, 3272), (409, 2960), (592, 2045), (740, 1636), (818, 1480)]