20635280880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{487}}^1\times {\mathrm{176551}}^1$

素因数の和:177054

約数の個数: 80

約数和(自身を含む): 64101087744

約数和(自身を除く): 43465806864

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 487, 974, 1461, 1948, 2435, 2922, 3896, 4870, 5844, 7305, 7792, 9740, 11688, 14610, 19480, 23376, 29220, 38960, 58440, 116880, 176551, 353102, 529653, 706204, 882755, 1059306, 1412408, 1765510, 2118612, 2648265, 2824816, 3531020, 4237224, 5296530, 7062040, 8474448, 10593060, 14124080, 21186120, 42372240, 85980337, 171960674, 257941011, 343921348, 429901685, 515882022, 687842696, 859803370, 1031764044, 1289705055, 1375685392, 1719606740, 2063528088, 2579410110, 3439213480, 4127056176, 5158820220, 6878426960, 10317640440, 20635280880]

約数ペア:

[(1, 20635280880), (2, 10317640440), (3, 6878426960), (4, 5158820220), (5, 4127056176), (6, 3439213480), (8, 2579410110), (10, 2063528088), (12, 1719606740), (15, 1375685392), (16, 1289705055), (20, 1031764044), (24, 859803370), (30, 687842696), (40, 515882022), (48, 429901685), (60, 343921348), (80, 257941011), (120, 171960674), (240, 85980337), (487, 42372240), (974, 21186120), (1461, 14124080), (1948, 10593060), (2435, 8474448), (2922, 7062040), (3896, 5296530), (4870, 4237224), (5844, 3531020), (7305, 2824816), (7792, 2648265), (9740, 2118612), (11688, 1765510), (14610, 1412408), (19480, 1059306), (23376, 882755), (29220, 706204), (38960, 529653), (58440, 353102), (116880, 176551)]