13332880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:272

約数の個数: 80

約数和(自身を含む): 34372800

約数和(自身を除く): 21039920

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 109, 110, 139, 176, 218, 220, 278, 436, 440, 545, 556, 695, 872, 880, 1090, 1112, 1199, 1390, 1529, 1744, 2180, 2224, 2398, 2780, 3058, 4360, 4796, 5560, 5995, 6116, 7645, 8720, 9592, 11120, 11990, 12232, 15151, 15290, 19184, 23980, 24464, 30302, 30580, 47960, 60604, 61160, 75755, 95920, 121208, 122320, 151510, 166661, 242416, 303020, 333322, 606040, 666644, 833305, 1212080, 1333288, 1666610, 2666576, 3333220, 6666440, 13332880]

約数ペア:

[(1, 13332880), (2, 6666440), (4, 3333220), (5, 2666576), (8, 1666610), (10, 1333288), (11, 1212080), (16, 833305), (20, 666644), (22, 606040), (40, 333322), (44, 303020), (55, 242416), (80, 166661), (88, 151510), (109, 122320), (110, 121208), (139, 95920), (176, 75755), (218, 61160), (220, 60604), (278, 47960), (436, 30580), (440, 30302), (545, 24464), (556, 23980), (695, 19184), (872, 15290), (880, 15151), (1090, 12232), (1112, 11990), (1199, 11120), (1390, 9592), (1529, 8720), (1744, 7645), (2180, 6116), (2224, 5995), (2398, 5560), (2780, 4796), (3058, 4360)]