81295440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{338731}}^1$

素因数の和:338747

約数の個数: 40

約数和(自身を含む): 252016608

約数和(自身を除く): 170721168

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 338731, 677462, 1016193, 1354924, 1693655, 2032386, 2709848, 3387310, 4064772, 5080965, 5419696, 6774620, 8129544, 10161930, 13549240, 16259088, 20323860, 27098480, 40647720, 81295440]

約数ペア:

[(1, 81295440), (2, 40647720), (3, 27098480), (4, 20323860), (5, 16259088), (6, 13549240), (8, 10161930), (10, 8129544), (12, 6774620), (15, 5419696), (16, 5080965), (20, 4064772), (24, 3387310), (30, 2709848), (40, 2032386), (48, 1693655), (60, 1354924), (80, 1016193), (120, 677462), (240, 338731)]