2581260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3911}}^1$

素因数の和:3934

約数の個数: 48

約数和(自身を含む): 7886592

約数和(自身を除く): 5305332

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 3911, 7822, 11733, 15644, 19555, 23466, 39110, 43021, 46932, 58665, 78220, 86042, 117330, 129063, 172084, 215105, 234660, 258126, 430210, 516252, 645315, 860420, 1290630, 2581260]

約数ペア:

[(1, 2581260), (2, 1290630), (3, 860420), (4, 645315), (5, 516252), (6, 430210), (10, 258126), (11, 234660), (12, 215105), (15, 172084), (20, 129063), (22, 117330), (30, 86042), (33, 78220), (44, 58665), (55, 46932), (60, 43021), (66, 39110), (110, 23466), (132, 19555), (165, 15644), (220, 11733), (330, 7822), (660, 3911)]