679280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{1213}}^1$

素因数の和:1233

約数の個数: 40

約数和(自身を含む): 1806432

約数和(自身を除く): 1127152

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 1213, 2426, 4852, 6065, 8491, 9704, 12130, 16982, 19408, 24260, 33964, 42455, 48520, 67928, 84910, 97040, 135856, 169820, 339640, 679280]

約数ペア:

[(1, 679280), (2, 339640), (4, 169820), (5, 135856), (7, 97040), (8, 84910), (10, 67928), (14, 48520), (16, 42455), (20, 33964), (28, 24260), (35, 19408), (40, 16982), (56, 12130), (70, 9704), (80, 8491), (112, 6065), (140, 4852), (280, 2426), (560, 1213)]