121584280

素因数分解:

$2^3\times 5^1\times {\mathrm{307}}^1\times {\mathrm{9901}}^1$

素因数の和:10219

約数の個数: 32

約数和(自身を含む): 274483440

約数和(自身を除く): 152899160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 307, 614, 1228, 1535, 2456, 3070, 6140, 9901, 12280, 19802, 39604, 49505, 79208, 99010, 198020, 396040, 3039607, 6079214, 12158428, 15198035, 24316856, 30396070, 60792140, 121584280]

約数ペア:

[(1, 121584280), (2, 60792140), (4, 30396070), (5, 24316856), (8, 15198035), (10, 12158428), (20, 6079214), (40, 3039607), (307, 396040), (614, 198020), (1228, 99010), (1535, 79208), (2456, 49505), (3070, 39604), (6140, 19802), (9901, 12280)]