678655488

素因数分解:

$2^9\times 3^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:233

約数の個数: 240

約数和(自身を含む): 2149576704

約数和(自身を除く): 1470921216

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 64, 71, 84, 96, 98, 112, 127, 128, 142, 147, 168, 192, 196, 213, 224, 254, 256, 284, 294, 336, 381, 384, 392, 426, 448, 497, 508, 512, 568, 588, 672, 762, 768, 784, 852, 889, 896, 994, 1016, 1136, 1176, 1344, 1491, 1524, 1536, 1568, 1704, 1778, 1792, 1988, 2032, 2272, 2352, 2667, 2688, 2982, 3048, 3136, 3408, 3479, 3556, 3584, 3976, 4064, 4544, 4704, 5334, 5376, 5964, 6096, 6223, 6272, 6816, 6958, 7112, 7952, 8128, 9017, 9088, 9408, 10437, 10668, 10752, 11928, 12192, 12446, 12544, 13632, 13916, 14224, 15904, 16256, 18034, 18176, 18669, 18816, 20874, 21336, 23856, 24384, 24892, 25088, 27051, 27264, 27832, 28448, 31808, 32512, 36068, 36352, 37338, 37632, 41748, 42672, 47712, 48768, 49784, 54102, 54528, 55664, 56896, 63119, 63616, 65024, 72136, 74676, 75264, 83496, 85344, 95424, 97536, 99568, 108204, 109056, 111328, 113792, 126238, 127232, 144272, 149352, 166992, 170688, 189357, 190848, 195072, 199136, 216408, 222656, 227584, 252476, 254464, 288544, 298704, 333984, 341376, 378714, 381696, 398272, 432816, 441833, 445312, 455168, 504952, 577088, 597408, 667968, 682752, 757428, 763392, 796544, 865632, 883666, 890624, 1009904, 1154176, 1194816, 1325499, 1335936, 1365504, 1514856, 1593088, 1731264, 1767332, 1781248, 2019808, 2308352, 2389632, 2650998, 2671872, 3029712, 3186176, 3462528, 3534664, 4039616, 4616704, 4779264, 5301996, 5343744, 6059424, 6925056, 7069328, 8079232, 9558528, 10603992, 12118848, 13850112, 14138656, 16158464, 21207984, 24237696, 28277312, 32316928, 42415968, 48475392, 56554624, 84831936, 96950784, 113109248, 169663872, 226218496, 339327744, 678655488]

約数ペア:

[(1, 678655488), (2, 339327744), (3, 226218496), (4, 169663872), (6, 113109248), (7, 96950784), (8, 84831936), (12, 56554624), (14, 48475392), (16, 42415968), (21, 32316928), (24, 28277312), (28, 24237696), (32, 21207984), (42, 16158464), (48, 14138656), (49, 13850112), (56, 12118848), (64, 10603992), (71, 9558528), (84, 8079232), (96, 7069328), (98, 6925056), (112, 6059424), (127, 5343744), (128, 5301996), (142, 4779264), (147, 4616704), (168, 4039616), (192, 3534664), (196, 3462528), (213, 3186176), (224, 3029712), (254, 2671872), (256, 2650998), (284, 2389632), (294, 2308352), (336, 2019808), (381, 1781248), (384, 1767332), (392, 1731264), (426, 1593088), (448, 1514856), (497, 1365504), (508, 1335936), (512, 1325499), (568, 1194816), (588, 1154176), (672, 1009904), (762, 890624), (768, 883666), (784, 865632), (852, 796544), (889, 763392), (896, 757428), (994, 682752), (1016, 667968), (1136, 597408), (1176, 577088), (1344, 504952), (1491, 455168), (1524, 445312), (1536, 441833), (1568, 432816), (1704, 398272), (1778, 381696), (1792, 378714), (1988, 341376), (2032, 333984), (2272, 298704), (2352, 288544), (2667, 254464), (2688, 252476), (2982, 227584), (3048, 222656), (3136, 216408), (3408, 199136), (3479, 195072), (3556, 190848), (3584, 189357), (3976, 170688), (4064, 166992), (4544, 149352), (4704, 144272), (5334, 127232), (5376, 126238), (5964, 113792), (6096, 111328), (6223, 109056), (6272, 108204), (6816, 99568), (6958, 97536), (7112, 95424), (7952, 85344), (8128, 83496), (9017, 75264), (9088, 74676), (9408, 72136), (10437, 65024), (10668, 63616), (10752, 63119), (11928, 56896), (12192, 55664), (12446, 54528), (12544, 54102), (13632, 49784), (13916, 48768), (14224, 47712), (15904, 42672), (16256, 41748), (18034, 37632), (18176, 37338), (18669, 36352), (18816, 36068), (20874, 32512), (21336, 31808), (23856, 28448), (24384, 27832), (24892, 27264), (25088, 27051)]