72579640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{259213}}^1$

素因数の和:259231

約数の個数: 32

約数和(自身を含む): 186634080

約数和(自身を除く): 114054440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 259213, 518426, 1036852, 1296065, 1814491, 2073704, 2592130, 3628982, 5184260, 7257964, 9072455, 10368520, 14515928, 18144910, 36289820, 72579640]

約数ペア:

[(1, 72579640), (2, 36289820), (4, 18144910), (5, 14515928), (7, 10368520), (8, 9072455), (10, 7257964), (14, 5184260), (20, 3628982), (28, 2592130), (35, 2073704), (40, 1814491), (56, 1296065), (70, 1036852), (140, 518426), (280, 259213)]