71646160

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{379}}^1$

素因数の和:548

約数の個数: 80

約数和(自身を含む): 178113600

約数和(自身を除く): 106467440

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 139, 170, 272, 278, 340, 379, 556, 680, 695, 758, 1112, 1360, 1390, 1516, 1895, 2224, 2363, 2780, 3032, 3790, 4726, 5560, 6064, 6443, 7580, 9452, 11120, 11815, 12886, 15160, 18904, 23630, 25772, 30320, 32215, 37808, 47260, 51544, 52681, 64430, 94520, 103088, 105362, 128860, 189040, 210724, 257720, 263405, 421448, 515440, 526810, 842896, 895577, 1053620, 1791154, 2107240, 3582308, 4214480, 4477885, 7164616, 8955770, 14329232, 17911540, 35823080, 71646160]

約数ペア:

[(1, 71646160), (2, 35823080), (4, 17911540), (5, 14329232), (8, 8955770), (10, 7164616), (16, 4477885), (17, 4214480), (20, 3582308), (34, 2107240), (40, 1791154), (68, 1053620), (80, 895577), (85, 842896), (136, 526810), (139, 515440), (170, 421448), (272, 263405), (278, 257720), (340, 210724), (379, 189040), (556, 128860), (680, 105362), (695, 103088), (758, 94520), (1112, 64430), (1360, 52681), (1390, 51544), (1516, 47260), (1895, 37808), (2224, 32215), (2363, 30320), (2780, 25772), (3032, 23630), (3790, 18904), (4726, 15160), (5560, 12886), (6064, 11815), (6443, 11120), (7580, 9452)]