18470320

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1$

素因数の和:314

約数の個数: 80

約数和(自身を含む): 47496960

約数和(自身を除く): 29026640

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 139, 151, 176, 220, 278, 302, 440, 556, 604, 695, 755, 880, 1112, 1208, 1390, 1510, 1529, 1661, 2224, 2416, 2780, 3020, 3058, 3322, 5560, 6040, 6116, 6644, 7645, 8305, 11120, 12080, 12232, 13288, 15290, 16610, 20989, 24464, 26576, 30580, 33220, 41978, 61160, 66440, 83956, 104945, 122320, 132880, 167912, 209890, 230879, 335824, 419780, 461758, 839560, 923516, 1154395, 1679120, 1847032, 2308790, 3694064, 4617580, 9235160, 18470320]

約数ペア:

[(1, 18470320), (2, 9235160), (4, 4617580), (5, 3694064), (8, 2308790), (10, 1847032), (11, 1679120), (16, 1154395), (20, 923516), (22, 839560), (40, 461758), (44, 419780), (55, 335824), (80, 230879), (88, 209890), (110, 167912), (139, 132880), (151, 122320), (176, 104945), (220, 83956), (278, 66440), (302, 61160), (440, 41978), (556, 33220), (604, 30580), (695, 26576), (755, 24464), (880, 20989), (1112, 16610), (1208, 15290), (1390, 13288), (1510, 12232), (1529, 12080), (1661, 11120), (2224, 8305), (2416, 7645), (2780, 6644), (3020, 6116), (3058, 6040), (3322, 5560)]