28212120

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{78367}}^1$

素因数の和:78384

約数の個数: 48

約数和(自身を含む): 91690560

約数和(自身を除く): 63478440

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, 78367, 156734, 235101, 313468, 391835, 470202, 626936, 705303, 783670, 940404, 1175505, 1410606, 1567340, 1880808, 2351010, 2821212, 3134680, 3526515, 4702020, 5642424, 7053030, 9404040, 14106060, 28212120]

約数ペア:

[(1, 28212120), (2, 14106060), (3, 9404040), (4, 7053030), (5, 5642424), (6, 4702020), (8, 3526515), (9, 3134680), (10, 2821212), (12, 2351010), (15, 1880808), (18, 1567340), (20, 1410606), (24, 1175505), (30, 940404), (36, 783670), (40, 705303), (45, 626936), (60, 470202), (72, 391835), (90, 313468), (120, 235101), (180, 156734), (360, 78367)]