256242168

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1$

素因数の和:227

約数の個数: 288

約数和(自身を含む): 898803360

約数和(自身を除く): 642561192

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 28, 36, 37, 39, 42, 49, 52, 56, 63, 72, 74, 78, 84, 91, 98, 104, 111, 117, 126, 147, 148, 151, 156, 168, 182, 196, 222, 234, 252, 259, 273, 294, 296, 302, 312, 333, 364, 392, 441, 444, 453, 468, 481, 504, 518, 546, 588, 604, 637, 666, 728, 777, 819, 882, 888, 906, 936, 962, 1036, 1057, 1092, 1176, 1208, 1274, 1332, 1359, 1443, 1554, 1638, 1764, 1812, 1813, 1911, 1924, 1963, 2072, 2114, 2184, 2331, 2548, 2664, 2718, 2886, 3108, 3171, 3276, 3367, 3528, 3624, 3626, 3822, 3848, 3926, 4228, 4329, 4662, 5096, 5436, 5439, 5587, 5733, 5772, 5889, 6216, 6342, 6552, 6734, 7252, 7399, 7644, 7852, 8456, 8658, 9324, 9513, 10101, 10872, 10878, 11174, 11466, 11544, 11778, 12684, 13468, 13741, 14504, 14798, 15288, 15704, 16317, 16761, 17316, 17667, 18648, 19026, 20202, 21756, 22197, 22348, 22932, 23556, 23569, 25368, 26936, 27482, 29596, 30303, 32634, 33522, 34632, 35334, 38052, 39109, 40404, 41223, 43512, 44394, 44696, 45864, 47112, 47138, 50283, 54964, 59192, 60606, 65268, 66591, 67044, 70668, 70707, 72631, 76104, 78218, 80808, 82446, 88788, 94276, 96187, 100566, 109928, 117327, 121212, 123669, 130536, 133182, 134088, 141336, 141414, 145262, 156436, 164892, 177576, 188552, 192374, 201132, 212121, 217893, 234654, 242424, 247338, 266364, 273763, 282828, 288561, 290524, 312872, 329784, 351981, 384748, 402264, 424242, 435786, 469308, 494676, 508417, 532728, 547526, 565656, 577122, 581048, 653679, 703962, 769496, 821289, 848484, 865683, 871572, 938616, 989352, 1016834, 1095052, 1154244, 1307358, 1407924, 1525251, 1642578, 1696968, 1731366, 1743144, 2033668, 2190104, 2308488, 2463867, 2614716, 2815848, 3050502, 3285156, 3462732, 3558919, 4067336, 4575753, 4927734, 5229432, 6101004, 6570312, 6925464, 7117838, 9151506, 9855468, 10676757, 12202008, 14235676, 18303012, 19710936, 21353514, 28471352, 32030271, 36606024, 42707028, 64060542, 85414056, 128121084, 256242168]

約数ペア:

[(1, 256242168), (2, 128121084), (3, 85414056), (4, 64060542), (6, 42707028), (7, 36606024), (8, 32030271), (9, 28471352), (12, 21353514), (13, 19710936), (14, 18303012), (18, 14235676), (21, 12202008), (24, 10676757), (26, 9855468), (28, 9151506), (36, 7117838), (37, 6925464), (39, 6570312), (42, 6101004), (49, 5229432), (52, 4927734), (56, 4575753), (63, 4067336), (72, 3558919), (74, 3462732), (78, 3285156), (84, 3050502), (91, 2815848), (98, 2614716), (104, 2463867), (111, 2308488), (117, 2190104), (126, 2033668), (147, 1743144), (148, 1731366), (151, 1696968), (156, 1642578), (168, 1525251), (182, 1407924), (196, 1307358), (222, 1154244), (234, 1095052), (252, 1016834), (259, 989352), (273, 938616), (294, 871572), (296, 865683), (302, 848484), (312, 821289), (333, 769496), (364, 703962), (392, 653679), (441, 581048), (444, 577122), (453, 565656), (468, 547526), (481, 532728), (504, 508417), (518, 494676), (546, 469308), (588, 435786), (604, 424242), (637, 402264), (666, 384748), (728, 351981), (777, 329784), (819, 312872), (882, 290524), (888, 288561), (906, 282828), (936, 273763), (962, 266364), (1036, 247338), (1057, 242424), (1092, 234654), (1176, 217893), (1208, 212121), (1274, 201132), (1332, 192374), (1359, 188552), (1443, 177576), (1554, 164892), (1638, 156436), (1764, 145262), (1812, 141414), (1813, 141336), (1911, 134088), (1924, 133182), (1963, 130536), (2072, 123669), (2114, 121212), (2184, 117327), (2331, 109928), (2548, 100566), (2664, 96187), (2718, 94276), (2886, 88788), (3108, 82446), (3171, 80808), (3276, 78218), (3367, 76104), (3528, 72631), (3624, 70707), (3626, 70668), (3822, 67044), (3848, 66591), (3926, 65268), (4228, 60606), (4329, 59192), (4662, 54964), (5096, 50283), (5436, 47138), (5439, 47112), (5587, 45864), (5733, 44696), (5772, 44394), (5889, 43512), (6216, 41223), (6342, 40404), (6552, 39109), (6734, 38052), (7252, 35334), (7399, 34632), (7644, 33522), (7852, 32634), (8456, 30303), (8658, 29596), (9324, 27482), (9513, 26936), (10101, 25368), (10872, 23569), (10878, 23556), (11174, 22932), (11466, 22348), (11544, 22197), (11778, 21756), (12684, 20202), (13468, 19026), (13741, 18648), (14504, 17667), (14798, 17316), (15288, 16761), (15704, 16317)]