82878012

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{15661}}^1$

素因数の和:15688

約数の個数: 72

約数和(自身を含む): 249965520

約数和(自身を除く): 167087508

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 84, 98, 108, 126, 147, 189, 196, 252, 294, 378, 441, 588, 756, 882, 1323, 1764, 2646, 5292, 15661, 31322, 46983, 62644, 93966, 109627, 140949, 187932, 219254, 281898, 328881, 422847, 438508, 563796, 657762, 767389, 845694, 986643, 1315524, 1534778, 1691388, 1973286, 2302167, 2959929, 3069556, 3946572, 4604334, 5919858, 6906501, 9208668, 11839716, 13813002, 20719503, 27626004, 41439006, 82878012]

約数ペア:

[(1, 82878012), (2, 41439006), (3, 27626004), (4, 20719503), (6, 13813002), (7, 11839716), (9, 9208668), (12, 6906501), (14, 5919858), (18, 4604334), (21, 3946572), (27, 3069556), (28, 2959929), (36, 2302167), (42, 1973286), (49, 1691388), (54, 1534778), (63, 1315524), (84, 986643), (98, 845694), (108, 767389), (126, 657762), (147, 563796), (189, 438508), (196, 422847), (252, 328881), (294, 281898), (378, 219254), (441, 187932), (588, 140949), (756, 109627), (882, 93966), (1323, 62644), (1764, 46983), (2646, 31322), (5292, 15661)]