231265720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1499}}^1$

素因数の和:1565

約数の個数: 128

約数和(自身を含む): 648000000

約数和(自身を除く): 416734280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 29, 35, 38, 40, 56, 58, 70, 76, 95, 116, 133, 140, 145, 152, 190, 203, 232, 266, 280, 290, 380, 406, 532, 551, 580, 665, 760, 812, 1015, 1064, 1102, 1160, 1330, 1499, 1624, 2030, 2204, 2660, 2755, 2998, 3857, 4060, 4408, 5320, 5510, 5996, 7495, 7714, 8120, 10493, 11020, 11992, 14990, 15428, 19285, 20986, 22040, 28481, 29980, 30856, 38570, 41972, 43471, 52465, 56962, 59960, 77140, 83944, 86942, 104930, 113924, 142405, 154280, 173884, 199367, 209860, 217355, 227848, 284810, 304297, 347768, 398734, 419720, 434710, 569620, 608594, 797468, 825949, 869420, 996835, 1139240, 1217188, 1521485, 1594936, 1651898, 1738840, 1993670, 2434376, 3042970, 3303796, 3987340, 4129745, 5781643, 6085940, 6607592, 7974680, 8259490, 11563286, 12171880, 16518980, 23126572, 28908215, 33037960, 46253144, 57816430, 115632860, 231265720]

約数ペア:

[(1, 231265720), (2, 115632860), (4, 57816430), (5, 46253144), (7, 33037960), (8, 28908215), (10, 23126572), (14, 16518980), (19, 12171880), (20, 11563286), (28, 8259490), (29, 7974680), (35, 6607592), (38, 6085940), (40, 5781643), (56, 4129745), (58, 3987340), (70, 3303796), (76, 3042970), (95, 2434376), (116, 1993670), (133, 1738840), (140, 1651898), (145, 1594936), (152, 1521485), (190, 1217188), (203, 1139240), (232, 996835), (266, 869420), (280, 825949), (290, 797468), (380, 608594), (406, 569620), (532, 434710), (551, 419720), (580, 398734), (665, 347768), (760, 304297), (812, 284810), (1015, 227848), (1064, 217355), (1102, 209860), (1160, 199367), (1330, 173884), (1499, 154280), (1624, 142405), (2030, 113924), (2204, 104930), (2660, 86942), (2755, 83944), (2998, 77140), (3857, 59960), (4060, 56962), (4408, 52465), (5320, 43471), (5510, 41972), (5996, 38570), (7495, 30856), (7714, 29980), (8120, 28481), (10493, 22040), (11020, 20986), (11992, 19285), (14990, 15428)]