77632640

素因数分解:

$2^7\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1201}}^1$

素因数の和:1321

約数の個数: 64

約数和(自身を含む): 187584120

約数和(自身を除く): 109951480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 101, 128, 160, 202, 320, 404, 505, 640, 808, 1010, 1201, 1616, 2020, 2402, 3232, 4040, 4804, 6005, 6464, 8080, 9608, 12010, 12928, 16160, 19216, 24020, 32320, 38432, 48040, 64640, 76864, 96080, 121301, 153728, 192160, 242602, 384320, 485204, 606505, 768640, 970408, 1213010, 1940816, 2426020, 3881632, 4852040, 7763264, 9704080, 15526528, 19408160, 38816320, 77632640]

約数ペア:

[(1, 77632640), (2, 38816320), (4, 19408160), (5, 15526528), (8, 9704080), (10, 7763264), (16, 4852040), (20, 3881632), (32, 2426020), (40, 1940816), (64, 1213010), (80, 970408), (101, 768640), (128, 606505), (160, 485204), (202, 384320), (320, 242602), (404, 192160), (505, 153728), (640, 121301), (808, 96080), (1010, 76864), (1201, 64640), (1616, 48040), (2020, 38432), (2402, 32320), (3232, 24020), (4040, 19216), (4804, 16160), (6005, 12928), (6464, 12010), (8080, 9608)]