2079440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1$

素因数の和:180

約数の個数: 80

約数和(自身を含む): 5624640

約数和(自身を除く): 3545200

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 34, 40, 44, 55, 68, 80, 85, 88, 110, 136, 139, 170, 176, 187, 220, 272, 278, 340, 374, 440, 556, 680, 695, 748, 880, 935, 1112, 1360, 1390, 1496, 1529, 1870, 2224, 2363, 2780, 2992, 3058, 3740, 4726, 5560, 6116, 7480, 7645, 9452, 11120, 11815, 12232, 14960, 15290, 18904, 23630, 24464, 25993, 30580, 37808, 47260, 51986, 61160, 94520, 103972, 122320, 129965, 189040, 207944, 259930, 415888, 519860, 1039720, 2079440]

約数ペア:

[(1, 2079440), (2, 1039720), (4, 519860), (5, 415888), (8, 259930), (10, 207944), (11, 189040), (16, 129965), (17, 122320), (20, 103972), (22, 94520), (34, 61160), (40, 51986), (44, 47260), (55, 37808), (68, 30580), (80, 25993), (85, 24464), (88, 23630), (110, 18904), (136, 15290), (139, 14960), (170, 12232), (176, 11815), (187, 11120), (220, 9452), (272, 7645), (278, 7480), (340, 6116), (374, 5560), (440, 4726), (556, 3740), (680, 3058), (695, 2992), (748, 2780), (880, 2363), (935, 2224), (1112, 1870), (1360, 1529), (1390, 1496)]