128631552

素因数分解:

$2^8\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{337}}^1$

素因数の和:434

約数の個数: 144

約数和(自身を含む): 397942272

約数和(自身を除く): 269310720

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 71, 84, 96, 112, 128, 142, 168, 192, 213, 224, 256, 284, 336, 337, 384, 426, 448, 497, 568, 672, 674, 768, 852, 896, 994, 1011, 1136, 1344, 1348, 1491, 1704, 1792, 1988, 2022, 2272, 2359, 2688, 2696, 2982, 3408, 3976, 4044, 4544, 4718, 5376, 5392, 5964, 6816, 7077, 7952, 8088, 9088, 9436, 10784, 11928, 13632, 14154, 15904, 16176, 18176, 18872, 21568, 23856, 23927, 27264, 28308, 31808, 32352, 37744, 43136, 47712, 47854, 54528, 56616, 63616, 64704, 71781, 75488, 86272, 95424, 95708, 113232, 127232, 129408, 143562, 150976, 167489, 190848, 191416, 226464, 258816, 287124, 301952, 334978, 381696, 382832, 452928, 502467, 574248, 603904, 669956, 765664, 905856, 1004934, 1148496, 1339912, 1531328, 1811712, 2009868, 2296992, 2679824, 3062656, 4019736, 4593984, 5359648, 6125312, 8039472, 9187968, 10719296, 16078944, 18375936, 21438592, 32157888, 42877184, 64315776, 128631552]

約数ペア:

[(1, 128631552), (2, 64315776), (3, 42877184), (4, 32157888), (6, 21438592), (7, 18375936), (8, 16078944), (12, 10719296), (14, 9187968), (16, 8039472), (21, 6125312), (24, 5359648), (28, 4593984), (32, 4019736), (42, 3062656), (48, 2679824), (56, 2296992), (64, 2009868), (71, 1811712), (84, 1531328), (96, 1339912), (112, 1148496), (128, 1004934), (142, 905856), (168, 765664), (192, 669956), (213, 603904), (224, 574248), (256, 502467), (284, 452928), (336, 382832), (337, 381696), (384, 334978), (426, 301952), (448, 287124), (497, 258816), (568, 226464), (672, 191416), (674, 190848), (768, 167489), (852, 150976), (896, 143562), (994, 129408), (1011, 127232), (1136, 113232), (1344, 95708), (1348, 95424), (1491, 86272), (1704, 75488), (1792, 71781), (1988, 64704), (2022, 63616), (2272, 56616), (2359, 54528), (2688, 47854), (2696, 47712), (2982, 43136), (3408, 37744), (3976, 32352), (4044, 31808), (4544, 28308), (4718, 27264), (5376, 23927), (5392, 23856), (5964, 21568), (6816, 18872), (7077, 18176), (7952, 16176), (8088, 15904), (9088, 14154), (9436, 13632), (10784, 11928)]