80491356

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:256

約数の個数: 144

約数和(自身を含む): 236396160

約数和(自身を除く): 155904804

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 29, 33, 36, 43, 44, 58, 66, 86, 87, 99, 116, 129, 132, 163, 172, 174, 198, 258, 261, 319, 326, 348, 387, 396, 473, 489, 516, 522, 638, 652, 774, 946, 957, 978, 1044, 1247, 1276, 1419, 1467, 1548, 1793, 1892, 1914, 1956, 2494, 2838, 2871, 2934, 3586, 3741, 3828, 4257, 4727, 4988, 5379, 5676, 5742, 5868, 7009, 7172, 7482, 8514, 9454, 10758, 11223, 11484, 13717, 14018, 14181, 14964, 16137, 17028, 18908, 21027, 21516, 22446, 27434, 28036, 28362, 32274, 41151, 42054, 42543, 44892, 51997, 54868, 56724, 63081, 64548, 77099, 82302, 84108, 85086, 103994, 123453, 126162, 154198, 155991, 164604, 170172, 203261, 207988, 231297, 246906, 252324, 308396, 311982, 406522, 462594, 467973, 493812, 609783, 623964, 693891, 813044, 925188, 935946, 1219566, 1387782, 1829349, 1871892, 2235871, 2439132, 2775564, 3658698, 4471742, 6707613, 7317396, 8943484, 13415226, 20122839, 26830452, 40245678, 80491356]

約数ペア:

[(1, 80491356), (2, 40245678), (3, 26830452), (4, 20122839), (6, 13415226), (9, 8943484), (11, 7317396), (12, 6707613), (18, 4471742), (22, 3658698), (29, 2775564), (33, 2439132), (36, 2235871), (43, 1871892), (44, 1829349), (58, 1387782), (66, 1219566), (86, 935946), (87, 925188), (99, 813044), (116, 693891), (129, 623964), (132, 609783), (163, 493812), (172, 467973), (174, 462594), (198, 406522), (258, 311982), (261, 308396), (319, 252324), (326, 246906), (348, 231297), (387, 207988), (396, 203261), (473, 170172), (489, 164604), (516, 155991), (522, 154198), (638, 126162), (652, 123453), (774, 103994), (946, 85086), (957, 84108), (978, 82302), (1044, 77099), (1247, 64548), (1276, 63081), (1419, 56724), (1467, 54868), (1548, 51997), (1793, 44892), (1892, 42543), (1914, 42054), (1956, 41151), (2494, 32274), (2838, 28362), (2871, 28036), (2934, 27434), (3586, 22446), (3741, 21516), (3828, 21027), (4257, 18908), (4727, 17028), (4988, 16137), (5379, 14964), (5676, 14181), (5742, 14018), (5868, 13717), (7009, 11484), (7172, 11223), (7482, 10758), (8514, 9454)]