257231456832

素因数分解:

$2^6\times 3^1\times 7^2\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:216

約数の個数: 1008

約数和(自身を含む): 905525930880

約数和(自身を除く): 648294474048

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 23, 24, 28, 32, 37, 38, 42, 46, 48, 49, 56, 57, 64, 69, 74, 76, 84, 89, 92, 96, 98, 111, 112, 114, 133, 138, 147, 148, 152, 161, 168, 178, 184, 192, 196, 222, 224, 228, 259, 266, 267, 276, 294, 296, 304, 322, 336, 356, 361, 368, 392, 399, 437, 444, 448, 456, 483, 518, 532, 534, 552, 588, 592, 608, 623, 644, 672, 703, 712, 722, 736, 777, 784, 798, 851, 874, 888, 912, 931, 966, 1036, 1064, 1068, 1083, 1104, 1127, 1176, 1184, 1216, 1246, 1288, 1311, 1344, 1406, 1424, 1444, 1472, 1554, 1568, 1596, 1691, 1702, 1748, 1776, 1813, 1824, 1862, 1869, 1932, 2047, 2072, 2109, 2128, 2136, 2166, 2208, 2254, 2352, 2368, 2492, 2527, 2553, 2576, 2622, 2793, 2812, 2848, 2888, 3059, 3108, 3136, 3192, 3293, 3381, 3382, 3404, 3496, 3552, 3626, 3648, 3724, 3738, 3864, 4094, 4144, 4218, 4256, 4272, 4332, 4361, 4416, 4508, 4704, 4921, 4984, 5054, 5073, 5106, 5152, 5244, 5439, 5586, 5624, 5696, 5776, 5957, 6118, 6141, 6216, 6384, 6586, 6762, 6764, 6808, 6992, 7104, 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64239, 64258, 64676, 65504, 66424, 67488, 68894, 69153, 69312, 69776, 70756, 71022, 71484, 72128, 73416, 75739, 77786, 78736, 79032, 80142, 80864, 81168, 81696, 82859, 83398, 83904, 85652, 85974, 87024, 89376, 92204, 93499, 94696, 95312, 96387, 97014, 97888, 98256, 99636, 100303, 103341, 104664, 105376, 106134, 106856, 108192, 108224, 113183, 114632, 116032, 116242, 116679, 118104, 119616, 121296, 125097, 125134, 128478, 128516, 129352, 131008, 132848, 134976, 137788, 138306, 139552, 141512, 142044, 142968, 146832, 151478, 155572, 157472, 158064, 160284, 161357, 161728, 162336, 163392, 165718, 166796, 171304, 171948, 174048, 174363, 178752, 184408, 186998, 187701, 189392, 190624, 192774, 194028, 195776, 196512, 199272, 200606, 206682, 209328, 210752, 212268, 213712, 216384, 224903, 226366, 227217, 229264, 232484, 233358, 236208, 242592, 248577, 250194, 250268, 256956, 257032, 258704, 265696, 272251, 275576, 276612, 279104, 280497, 283024, 284088, 285936, 293664, 300909, 302956, 307211, 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約数ペア:

[(1, 257231456832), (2, 128615728416), (3, 85743818944), (4, 64307864208), (6, 42871909472), (7, 36747350976), (8, 32153932104), (12, 21435954736), (14, 18373675488), (16, 16076966052), (19, 13538497728), (21, 12249116992), (23, 11183976384), (24, 10717977368), (28, 9186837744), (32, 8038483026), (37, 6952201536), (38, 6769248864), (42, 6124558496), (46, 5591988192), (48, 5358988684), (49, 5249621568), (56, 4593418872), (57, 4512832576), (64, 4019241513), (69, 3727992128), (74, 3476100768), (76, 3384624432), (84, 3062279248), (89, 2890241088), (92, 2795994096), (96, 2679494342), (98, 2624810784), (111, 2317400512), (112, 2296709436), (114, 2256416288), (133, 1934071104), (138, 1863996064), (147, 1749873856), (148, 1738050384), (152, 1692312216), (161, 1597710912), (168, 1531139624), (178, 1445120544), (184, 1397997048), (192, 1339747171), (196, 1312405392), (222, 1158700256), (224, 1148354718), (228, 1128208144), (259, 993171648), (266, 967035552), (267, 963413696), (276, 931998032), 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