158676880

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1\times {\mathrm{239}}^1$

素因数の和:488

約数の個数: 80

約数和(自身を含む): 381047040

約数和(自身を除く): 222370160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 193, 215, 239, 344, 386, 430, 478, 688, 772, 860, 956, 965, 1195, 1544, 1720, 1912, 1930, 2390, 3088, 3440, 3824, 3860, 4780, 7720, 8299, 9560, 10277, 15440, 16598, 19120, 20554, 33196, 41108, 41495, 46127, 51385, 66392, 82216, 82990, 92254, 102770, 132784, 164432, 165980, 184508, 205540, 230635, 331960, 369016, 411080, 461270, 663920, 738032, 822160, 922540, 1845080, 1983461, 3690160, 3966922, 7933844, 9917305, 15867688, 19834610, 31735376, 39669220, 79338440, 158676880]

約数ペア:

[(1, 158676880), (2, 79338440), (4, 39669220), (5, 31735376), (8, 19834610), (10, 15867688), (16, 9917305), (20, 7933844), (40, 3966922), (43, 3690160), (80, 1983461), (86, 1845080), (172, 922540), (193, 822160), (215, 738032), (239, 663920), (344, 461270), (386, 411080), (430, 369016), (478, 331960), (688, 230635), (772, 205540), (860, 184508), (956, 165980), (965, 164432), (1195, 132784), (1544, 102770), (1720, 92254), (1912, 82990), (1930, 82216), (2390, 66392), (3088, 51385), (3440, 46127), (3824, 41495), (3860, 41108), (4780, 33196), (7720, 20554), (8299, 19120), (9560, 16598), (10277, 15440)]