256567584

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{683}}^1$

素因数の和:759

約数の個数: 192

約数和(自身を含む): 849429504

約数和(自身を除く): 592861920

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 32, 39, 42, 43, 48, 52, 56, 78, 84, 86, 91, 96, 104, 112, 129, 156, 168, 172, 182, 208, 224, 258, 273, 301, 312, 336, 344, 364, 416, 516, 546, 559, 602, 624, 672, 683, 688, 728, 903, 1032, 1092, 1118, 1204, 1248, 1366, 1376, 1456, 1677, 1806, 2049, 2064, 2184, 2236, 2408, 2732, 2912, 3354, 3612, 3913, 4098, 4128, 4368, 4472, 4781, 4816, 5464, 6708, 7224, 7826, 8196, 8736, 8879, 8944, 9562, 9632, 10928, 11739, 13416, 14343, 14448, 15652, 16392, 17758, 17888, 19124, 21856, 23478, 26637, 26832, 28686, 28896, 29369, 31304, 32784, 35516, 38248, 46956, 53274, 53664, 57372, 58738, 62153, 62608, 65568, 71032, 76496, 88107, 93912, 106548, 114744, 117476, 124306, 125216, 142064, 152992, 176214, 186459, 187824, 205583, 213096, 229488, 234952, 248612, 284128, 352428, 372918, 375648, 381797, 411166, 426192, 458976, 469904, 497224, 616749, 704856, 745836, 763594, 822332, 852384, 939808, 994448, 1145391, 1233498, 1409712, 1491672, 1527188, 1644664, 1988896, 2290782, 2466996, 2672579, 2819424, 2983344, 3054376, 3289328, 4581564, 4933992, 5345158, 5966688, 6108752, 6578656, 8017737, 9163128, 9867984, 10690316, 12217504, 16035474, 18326256, 19735968, 21380632, 32070948, 36652512, 42761264, 64141896, 85522528, 128283792, 256567584]

約数ペア:

[(1, 256567584), (2, 128283792), (3, 85522528), (4, 64141896), (6, 42761264), (7, 36652512), (8, 32070948), (12, 21380632), (13, 19735968), (14, 18326256), (16, 16035474), (21, 12217504), (24, 10690316), (26, 9867984), (28, 9163128), (32, 8017737), (39, 6578656), (42, 6108752), (43, 5966688), (48, 5345158), (52, 4933992), (56, 4581564), (78, 3289328), (84, 3054376), (86, 2983344), (91, 2819424), (96, 2672579), (104, 2466996), (112, 2290782), (129, 1988896), (156, 1644664), (168, 1527188), (172, 1491672), (182, 1409712), (208, 1233498), (224, 1145391), (258, 994448), (273, 939808), (301, 852384), (312, 822332), (336, 763594), (344, 745836), (364, 704856), (416, 616749), (516, 497224), (546, 469904), (559, 458976), (602, 426192), (624, 411166), (672, 381797), (683, 375648), (688, 372918), (728, 352428), (903, 284128), (1032, 248612), (1092, 234952), (1118, 229488), (1204, 213096), (1248, 205583), (1366, 187824), (1376, 186459), (1456, 176214), (1677, 152992), (1806, 142064), (2049, 125216), (2064, 124306), (2184, 117476), (2236, 114744), (2408, 106548), (2732, 93912), (2912, 88107), (3354, 76496), (3612, 71032), (3913, 65568), (4098, 62608), (4128, 62153), (4368, 58738), (4472, 57372), (4781, 53664), (4816, 53274), (5464, 46956), (6708, 38248), (7224, 35516), (7826, 32784), (8196, 31304), (8736, 29369), (8879, 28896), (8944, 28686), (9562, 26832), (9632, 26637), (10928, 23478), (11739, 21856), (13416, 19124), (14343, 17888), (14448, 17758), (15652, 16392)]