660403968

素因数分解:

$2^8\times 3^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{109}}^1$

素因数の和:172

約数の個数: 288

約数和(自身を含む): 2158464000

約数和(自身を除く): 1498060032

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 23, 24, 28, 32, 42, 46, 48, 49, 56, 64, 69, 84, 92, 96, 98, 109, 112, 128, 138, 147, 161, 168, 184, 192, 196, 218, 224, 256, 276, 294, 322, 327, 336, 343, 368, 384, 392, 436, 448, 483, 552, 588, 644, 654, 672, 686, 736, 763, 768, 784, 872, 896, 966, 1029, 1104, 1127, 1176, 1288, 1308, 1344, 1372, 1472, 1526, 1568, 1744, 1792, 1932, 2058, 2208, 2254, 2289, 2352, 2507, 2576, 2616, 2688, 2744, 2944, 3052, 3136, 3381, 3488, 3864, 4116, 4416, 4508, 4578, 4704, 5014, 5152, 5232, 5341, 5376, 5488, 5888, 6104, 6272, 6762, 6976, 7521, 7728, 7889, 8232, 8832, 9016, 9156, 9408, 10028, 10304, 10464, 10682, 10976, 12208, 12544, 13524, 13952, 15042, 15456, 15778, 16023, 16464, 17549, 17664, 18032, 18312, 18816, 20056, 20608, 20928, 21364, 21952, 23667, 24416, 27048, 27904, 30084, 30912, 31556, 32046, 32928, 35098, 36064, 36624, 37387, 37632, 40112, 41216, 41856, 42728, 43904, 47334, 48832, 52647, 54096, 60168, 61824, 63112, 64092, 65856, 70196, 72128, 73248, 74774, 80224, 83712, 85456, 87808, 94668, 97664, 105294, 108192, 112161, 120336, 122843, 123648, 126224, 128184, 131712, 140392, 144256, 146496, 149548, 160448, 170912, 189336, 195328, 210588, 216384, 224322, 240672, 245686, 252448, 256368, 263424, 280784, 288512, 292992, 299096, 320896, 341824, 368529, 378672, 421176, 432768, 448644, 481344, 491372, 504896, 512736, 561568, 585984, 598192, 641792, 683648, 737058, 757344, 842352, 859901, 865536, 897288, 962688, 982744, 1009792, 1025472, 1123136, 1196384, 1367296, 1474116, 1514688, 1684704, 1719802, 1794576, 1925376, 1965488, 2019584, 2050944, 2246272, 2392768, 2579703, 2948232, 3029376, 3369408, 3439604, 3589152, 3930976, 4101888, 4492544, 4785536, 5159406, 5896464, 6058752, 6738816, 6879208, 7178304, 7861952, 9571072, 10318812, 11792928, 13477632, 13758416, 14356608, 15723904, 20637624, 23585856, 27516832, 28713216, 31447808, 41275248, 47171712, 55033664, 82550496, 94343424, 110067328, 165100992, 220134656, 330201984, 660403968]

約数ペア:

[(1, 660403968), (2, 330201984), (3, 220134656), (4, 165100992), (6, 110067328), (7, 94343424), (8, 82550496), (12, 55033664), (14, 47171712), (16, 41275248), (21, 31447808), (23, 28713216), (24, 27516832), (28, 23585856), (32, 20637624), (42, 15723904), (46, 14356608), (48, 13758416), (49, 13477632), (56, 11792928), (64, 10318812), (69, 9571072), (84, 7861952), (92, 7178304), (96, 6879208), (98, 6738816), (109, 6058752), (112, 5896464), (128, 5159406), (138, 4785536), (147, 4492544), (161, 4101888), (168, 3930976), (184, 3589152), (192, 3439604), (196, 3369408), (218, 3029376), (224, 2948232), (256, 2579703), (276, 2392768), (294, 2246272), (322, 2050944), (327, 2019584), (336, 1965488), (343, 1925376), (368, 1794576), (384, 1719802), (392, 1684704), (436, 1514688), (448, 1474116), (483, 1367296), (552, 1196384), (588, 1123136), (644, 1025472), (654, 1009792), (672, 982744), (686, 962688), (736, 897288), (763, 865536), (768, 859901), (784, 842352), (872, 757344), (896, 737058), (966, 683648), (1029, 641792), (1104, 598192), (1127, 585984), (1176, 561568), (1288, 512736), (1308, 504896), (1344, 491372), (1372, 481344), (1472, 448644), (1526, 432768), (1568, 421176), (1744, 378672), (1792, 368529), (1932, 341824), (2058, 320896), (2208, 299096), (2254, 292992), (2289, 288512), (2352, 280784), (2507, 263424), (2576, 256368), (2616, 252448), (2688, 245686), (2744, 240672), (2944, 224322), (3052, 216384), (3136, 210588), (3381, 195328), (3488, 189336), (3864, 170912), (4116, 160448), (4416, 149548), (4508, 146496), (4578, 144256), (4704, 140392), (5014, 131712), (5152, 128184), (5232, 126224), (5341, 123648), (5376, 122843), (5488, 120336), (5888, 112161), (6104, 108192), (6272, 105294), (6762, 97664), (6976, 94668), (7521, 87808), (7728, 85456), (7889, 83712), (8232, 80224), (8832, 74774), (9016, 73248), (9156, 72128), (9408, 70196), (10028, 65856), (10304, 64092), (10464, 63112), (10682, 61824), (10976, 60168), (12208, 54096), (12544, 52647), (13524, 48832), (13952, 47334), (15042, 43904), (15456, 42728), (15778, 41856), (16023, 41216), (16464, 40112), (17549, 37632), (17664, 37387), (18032, 36624), (18312, 36064), (18816, 35098), (20056, 32928), (20608, 32046), (20928, 31556), (21364, 30912), (21952, 30084), (23667, 27904), (24416, 27048)]