1277320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2903}}^1$

素因数の和:2925

約数の個数: 32

約数和(自身を含む): 3136320

約数和(自身を除く): 1859000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 2903, 5806, 11612, 14515, 23224, 29030, 31933, 58060, 63866, 116120, 127732, 159665, 255464, 319330, 638660, 1277320]

約数ペア:

[(1, 1277320), (2, 638660), (4, 319330), (5, 255464), (8, 159665), (10, 127732), (11, 116120), (20, 63866), (22, 58060), (40, 31933), (44, 29030), (55, 23224), (88, 14515), (110, 11612), (220, 5806), (440, 2903)]