68547640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{244813}}^1$

素因数の和:244831

約数の個数: 32

約数和(自身を含む): 176266080

約数和(自身を除く): 107718440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 244813, 489626, 979252, 1224065, 1713691, 1958504, 2448130, 3427382, 4896260, 6854764, 8568455, 9792520, 13709528, 17136910, 34273820, 68547640]

約数ペア:

[(1, 68547640), (2, 34273820), (4, 17136910), (5, 13709528), (7, 9792520), (8, 8568455), (10, 6854764), (14, 4896260), (20, 3427382), (28, 2448130), (35, 1958504), (40, 1713691), (56, 1224065), (70, 979252), (140, 489626), (280, 244813)]