81463824

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43517}}^1$

素因数の和:43544

約数の個数: 60

約数和(自身を含む): 245528556

約数和(自身を除く): 164064732

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 208, 234, 312, 468, 624, 936, 1872, 43517, 87034, 130551, 174068, 261102, 348136, 391653, 522204, 565721, 696272, 783306, 1044408, 1131442, 1566612, 1697163, 2088816, 2262884, 3133224, 3394326, 4525768, 5091489, 6266448, 6788652, 9051536, 10182978, 13577304, 20365956, 27154608, 40731912, 81463824]

約数ペア:

[(1, 81463824), (2, 40731912), (3, 27154608), (4, 20365956), (6, 13577304), (8, 10182978), (9, 9051536), (12, 6788652), (13, 6266448), (16, 5091489), (18, 4525768), (24, 3394326), (26, 3133224), (36, 2262884), (39, 2088816), (48, 1697163), (52, 1566612), (72, 1131442), (78, 1044408), (104, 783306), (117, 696272), (144, 565721), (156, 522204), (208, 391653), (234, 348136), (312, 261102), (468, 174068), (624, 130551), (936, 87034), (1872, 43517)]