256117320

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{711437}}^1$

素因数の和:711454

約数の個数: 48

約数和(自身を含む): 832382460

約数和(自身を除く): 576265140

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 711437, 1422874, 2134311, 2845748, 3557185, 4268622, 5691496, 6402933, 7114370, 8537244, 10671555, 12805866, 14228740, 17074488, 21343110, 25611732, 28457480, 32014665, 42686220, 51223464, 64029330, 85372440, 128058660, 256117320]

約数ペア:

[(1, 256117320), (2, 128058660), (3, 85372440), (4, 64029330), (5, 51223464), (6, 42686220), (8, 32014665), (9, 28457480), (10, 25611732), (12, 21343110), (15, 17074488), (18, 14228740), (20, 12805866), (24, 10671555), (30, 8537244), (36, 7114370), (40, 6402933), (45, 5691496), (60, 4268622), (72, 3557185), (90, 2845748), (120, 2134311), (180, 1422874), (360, 711437)]