6666440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:270

約数の個数: 64

約数和(自身を含む): 16632000

約数和(自身を除く): 9965560

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 109, 110, 139, 218, 220, 278, 436, 440, 545, 556, 695, 872, 1090, 1112, 1199, 1390, 1529, 2180, 2398, 2780, 3058, 4360, 4796, 5560, 5995, 6116, 7645, 9592, 11990, 12232, 15151, 15290, 23980, 30302, 30580, 47960, 60604, 61160, 75755, 121208, 151510, 166661, 303020, 333322, 606040, 666644, 833305, 1333288, 1666610, 3333220, 6666440]

約数ペア:

[(1, 6666440), (2, 3333220), (4, 1666610), (5, 1333288), (8, 833305), (10, 666644), (11, 606040), (20, 333322), (22, 303020), (40, 166661), (44, 151510), (55, 121208), (88, 75755), (109, 61160), (110, 60604), (139, 47960), (218, 30580), (220, 30302), (278, 23980), (436, 15290), (440, 15151), (545, 12232), (556, 11990), (695, 9592), (872, 7645), (1090, 6116), (1112, 5995), (1199, 5560), (1390, 4796), (1529, 4360), (2180, 3058), (2398, 2780)]