78837480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{218993}}^1$

素因数の和:219010

約数の個数: 48

約数和(自身を含む): 256222980

約数和(自身を除く): 177385500

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, 218993, 437986, 656979, 875972, 1094965, 1313958, 1751944, 1970937, 2189930, 2627916, 3284895, 3941874, 4379860, 5255832, 6569790, 7883748, 8759720, 9854685, 13139580, 15767496, 19709370, 26279160, 39418740, 78837480]

約数ペア:

[(1, 78837480), (2, 39418740), (3, 26279160), (4, 19709370), (5, 15767496), (6, 13139580), (8, 9854685), (9, 8759720), (10, 7883748), (12, 6569790), (15, 5255832), (18, 4379860), (20, 3941874), (24, 3284895), (30, 2627916), (36, 2189930), (40, 1970937), (45, 1751944), (60, 1313958), (72, 1094965), (90, 875972), (120, 656979), (180, 437986), (360, 218993)]