72330280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{164387}}^1$

素因数の和:164409

約数の個数: 32

約数和(自身を含む): 177539040

約数和(自身を除く): 105208760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 164387, 328774, 657548, 821935, 1315096, 1643870, 1808257, 3287740, 3616514, 6575480, 7233028, 9041285, 14466056, 18082570, 36165140, 72330280]

約数ペア:

[(1, 72330280), (2, 36165140), (4, 18082570), (5, 14466056), (8, 9041285), (10, 7233028), (11, 6575480), (20, 3616514), (22, 3287740), (40, 1808257), (44, 1643870), (55, 1315096), (88, 821935), (110, 657548), (220, 328774), (440, 164387)]