18800280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{52223}}^1$

素因数の和:52240

約数の個数: 48

約数和(自身を含む): 61102080

約数和(自身を除く): 42301800

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, 52223, 104446, 156669, 208892, 261115, 313338, 417784, 470007, 522230, 626676, 783345, 940014, 1044460, 1253352, 1566690, 1880028, 2088920, 2350035, 3133380, 3760056, 4700070, 6266760, 9400140, 18800280]

約数ペア:

[(1, 18800280), (2, 9400140), (3, 6266760), (4, 4700070), (5, 3760056), (6, 3133380), (8, 2350035), (9, 2088920), (10, 1880028), (12, 1566690), (15, 1253352), (18, 1044460), (20, 940014), (24, 783345), (30, 626676), (36, 522230), (40, 470007), (45, 417784), (60, 313338), (72, 261115), (90, 208892), (120, 156669), (180, 104446), (360, 52223)]