77815860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{643}}^1\times {\mathrm{2017}}^1$

素因数の和:2672

約数の個数: 48

約数和(自身を含む): 218331456

約数和(自身を除く): 140515596

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 643, 1286, 1929, 2017, 2572, 3215, 3858, 4034, 6051, 6430, 7716, 8068, 9645, 10085, 12102, 12860, 19290, 20170, 24204, 30255, 38580, 40340, 60510, 121020, 1296931, 2593862, 3890793, 5187724, 6484655, 7781586, 12969310, 15563172, 19453965, 25938620, 38907930, 77815860]

約数ペア:

[(1, 77815860), (2, 38907930), (3, 25938620), (4, 19453965), (5, 15563172), (6, 12969310), (10, 7781586), (12, 6484655), (15, 5187724), (20, 3890793), (30, 2593862), (60, 1296931), (643, 121020), (1286, 60510), (1929, 40340), (2017, 38580), (2572, 30255), (3215, 24204), (3858, 20170), (4034, 19290), (6051, 12860), (6430, 12102), (7716, 10085), (8068, 9645)]