61278960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{255329}}^1$

素因数の和:255345

約数の個数: 40

約数和(自身を含む): 189965520

約数和(自身を除く): 128686560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 255329, 510658, 765987, 1021316, 1276645, 1531974, 2042632, 2553290, 3063948, 3829935, 4085264, 5106580, 6127896, 7659870, 10213160, 12255792, 15319740, 20426320, 30639480, 61278960]

約数ペア:

[(1, 61278960), (2, 30639480), (3, 20426320), (4, 15319740), (5, 12255792), (6, 10213160), (8, 7659870), (10, 6127896), (12, 5106580), (15, 4085264), (16, 3829935), (20, 3063948), (24, 2553290), (30, 2042632), (40, 1531974), (48, 1276645), (60, 1021316), (80, 765987), (120, 510658), (240, 255329)]