138377680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{2267}}^1$

素因数の和:2396

約数の個数: 80

約数和(自身を含む): 371226240

約数和(自身を除く): 232848560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 109, 112, 140, 218, 280, 436, 545, 560, 763, 872, 1090, 1526, 1744, 2180, 2267, 3052, 3815, 4360, 4534, 6104, 7630, 8720, 9068, 11335, 12208, 15260, 15869, 18136, 22670, 30520, 31738, 36272, 45340, 61040, 63476, 79345, 90680, 126952, 158690, 181360, 247103, 253904, 317380, 494206, 634760, 988412, 1235515, 1269520, 1729721, 1976824, 2471030, 3459442, 3953648, 4942060, 6918884, 8648605, 9884120, 13837768, 17297210, 19768240, 27675536, 34594420, 69188840, 138377680]

約数ペア:

[(1, 138377680), (2, 69188840), (4, 34594420), (5, 27675536), (7, 19768240), (8, 17297210), (10, 13837768), (14, 9884120), (16, 8648605), (20, 6918884), (28, 4942060), (35, 3953648), (40, 3459442), (56, 2471030), (70, 1976824), (80, 1729721), (109, 1269520), (112, 1235515), (140, 988412), (218, 634760), (280, 494206), (436, 317380), (545, 253904), (560, 247103), (763, 181360), (872, 158690), (1090, 126952), (1526, 90680), (1744, 79345), (2180, 63476), (2267, 61040), (3052, 45340), (3815, 36272), (4360, 31738), (4534, 30520), (6104, 22670), (7630, 18136), (8720, 15869), (9068, 15260), (11335, 12208)]