28631220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{3433}}^1$

素因数の和:3584

約数の個数: 48

約数和(自身を含む): 80767680

約数和(自身を除く): 52136460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 139, 278, 417, 556, 695, 834, 1390, 1668, 2085, 2780, 3433, 4170, 6866, 8340, 10299, 13732, 17165, 20598, 34330, 41196, 51495, 68660, 102990, 205980, 477187, 954374, 1431561, 1908748, 2385935, 2863122, 4771870, 5726244, 7157805, 9543740, 14315610, 28631220]

約数ペア:

[(1, 28631220), (2, 14315610), (3, 9543740), (4, 7157805), (5, 5726244), (6, 4771870), (10, 2863122), (12, 2385935), (15, 1908748), (20, 1431561), (30, 954374), (60, 477187), (139, 205980), (278, 102990), (417, 68660), (556, 51495), (695, 41196), (834, 34330), (1390, 20598), (1668, 17165), (2085, 13732), (2780, 10299), (3433, 8340), (4170, 6866)]