256025784

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:210

約数の個数: 192

約数和(自身を含む): 783699840

約数和(自身を除く): 527674056

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 43, 49, 56, 61, 83, 84, 86, 98, 122, 129, 147, 166, 168, 172, 183, 196, 244, 249, 258, 294, 301, 332, 344, 366, 392, 427, 488, 498, 516, 581, 588, 602, 664, 732, 854, 903, 996, 1032, 1162, 1176, 1204, 1281, 1464, 1708, 1743, 1806, 1992, 2107, 2324, 2408, 2562, 2623, 2989, 3416, 3486, 3569, 3612, 4067, 4214, 4648, 5063, 5124, 5246, 5978, 6321, 6972, 7138, 7224, 7869, 8134, 8428, 8967, 10126, 10248, 10492, 10707, 11956, 12201, 12642, 13944, 14276, 15189, 15738, 16268, 16856, 17934, 18361, 20252, 20984, 21414, 23912, 24402, 24983, 25284, 28552, 30378, 31476, 32536, 35441, 35868, 36722, 40504, 42828, 48804, 49966, 50568, 55083, 60756, 62952, 70882, 71736, 73444, 74949, 85656, 97608, 99932, 106323, 110166, 121512, 128527, 141764, 146888, 149898, 174881, 199864, 212646, 217709, 220332, 248087, 257054, 283528, 299796, 349762, 385581, 425292, 435418, 440664, 496174, 514108, 524643, 599592, 653127, 699524, 744261, 771162, 850584, 870836, 992348, 1028216, 1049286, 1306254, 1399048, 1488522, 1523963, 1542324, 1741672, 1984696, 2098572, 2612508, 2977044, 3047926, 3084648, 4197144, 4571889, 5225016, 5954088, 6095852, 9143778, 10667741, 12191704, 18287556, 21335482, 32003223, 36575112, 42670964, 64006446, 85341928, 128012892, 256025784]

約数ペア:

[(1, 256025784), (2, 128012892), (3, 85341928), (4, 64006446), (6, 42670964), (7, 36575112), (8, 32003223), (12, 21335482), (14, 18287556), (21, 12191704), (24, 10667741), (28, 9143778), (42, 6095852), (43, 5954088), (49, 5225016), (56, 4571889), (61, 4197144), (83, 3084648), (84, 3047926), (86, 2977044), (98, 2612508), (122, 2098572), (129, 1984696), (147, 1741672), (166, 1542324), (168, 1523963), (172, 1488522), (183, 1399048), (196, 1306254), (244, 1049286), (249, 1028216), (258, 992348), (294, 870836), (301, 850584), (332, 771162), (344, 744261), (366, 699524), (392, 653127), (427, 599592), (488, 524643), (498, 514108), (516, 496174), (581, 440664), (588, 435418), (602, 425292), (664, 385581), (732, 349762), (854, 299796), (903, 283528), (996, 257054), (1032, 248087), (1162, 220332), (1176, 217709), (1204, 212646), (1281, 199864), (1464, 174881), (1708, 149898), (1743, 146888), (1806, 141764), (1992, 128527), (2107, 121512), (2324, 110166), (2408, 106323), (2562, 99932), (2623, 97608), (2989, 85656), (3416, 74949), (3486, 73444), (3569, 71736), (3612, 70882), (4067, 62952), (4214, 60756), (4648, 55083), (5063, 50568), (5124, 49966), (5246, 48804), (5978, 42828), (6321, 40504), (6972, 36722), (7138, 35868), (7224, 35441), (7869, 32536), (8134, 31476), (8428, 30378), (8967, 28552), (10126, 25284), (10248, 24983), (10492, 24402), (10707, 23912), (11956, 21414), (12201, 20984), (12642, 20252), (13944, 18361), (14276, 17934), (15189, 16856), (15738, 16268)]