321080

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{349}}^1$

素因数の和:383

約数の個数: 32

約数和(自身を含む): 756000

約数和(自身を除く): 434920

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 349, 460, 698, 920, 1396, 1745, 2792, 3490, 6980, 8027, 13960, 16054, 32108, 40135, 64216, 80270, 160540, 321080]

約数ペア:

[(1, 321080), (2, 160540), (4, 80270), (5, 64216), (8, 40135), (10, 32108), (20, 16054), (23, 13960), (40, 8027), (46, 6980), (92, 3490), (115, 2792), (184, 1745), (230, 1396), (349, 920), (460, 698)]