51791280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{215797}}^1$

素因数の和:215813

約数の個数: 40

約数和(自身を含む): 160553712

約数和(自身を除く): 108762432

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 215797, 431594, 647391, 863188, 1078985, 1294782, 1726376, 2157970, 2589564, 3236955, 3452752, 4315940, 5179128, 6473910, 8631880, 10358256, 12947820, 17263760, 25895640, 51791280]

約数ペア:

[(1, 51791280), (2, 25895640), (3, 17263760), (4, 12947820), (5, 10358256), (6, 8631880), (8, 6473910), (10, 5179128), (12, 4315940), (15, 3452752), (16, 3236955), (20, 2589564), (24, 2157970), (30, 1726376), (40, 1294782), (48, 1078985), (60, 863188), (80, 647391), (120, 431594), (240, 215797)]