257051640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{2142097}}^1$

素因数の和:2142111

約数の個数: 32

約数和(自身を含む): 771155280

約数和(自身を除く): 514103640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 2142097, 4284194, 6426291, 8568388, 10710485, 12852582, 17136776, 21420970, 25705164, 32131455, 42841940, 51410328, 64262910, 85683880, 128525820, 257051640]

約数ペア:

[(1, 257051640), (2, 128525820), (3, 85683880), (4, 64262910), (5, 51410328), (6, 42841940), (8, 32131455), (10, 25705164), (12, 21420970), (15, 17136776), (20, 12852582), (24, 10710485), (30, 8568388), (40, 6426291), (60, 4284194), (120, 2142097)]