40647720

素因数分解:

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

素因数の和:338745

約数の個数: 32

約数和(自身を含む): 121943520

約数和(自身を除く): 81295800

約数列:

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

約数ペア:

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