256322976

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:144

約数の個数: 288

約数和(自身を含む): 869194368

約数和(自身を除く): 612871392

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 32, 37, 39, 42, 48, 52, 56, 61, 74, 78, 84, 91, 96, 104, 111, 112, 122, 148, 156, 168, 169, 182, 183, 208, 222, 224, 244, 259, 273, 296, 312, 336, 338, 364, 366, 416, 427, 444, 481, 488, 507, 518, 546, 592, 624, 672, 676, 728, 732, 777, 793, 854, 888, 962, 976, 1014, 1036, 1092, 1183, 1184, 1248, 1281, 1352, 1443, 1456, 1464, 1554, 1586, 1708, 1776, 1924, 1952, 2028, 2072, 2184, 2257, 2366, 2379, 2562, 2704, 2886, 2912, 2928, 3108, 3172, 3367, 3416, 3549, 3552, 3848, 4056, 4144, 4368, 4514, 4732, 4758, 5124, 5408, 5551, 5772, 5856, 6216, 6253, 6344, 6734, 6771, 6832, 7098, 7696, 8112, 8288, 8736, 9028, 9464, 9516, 10101, 10248, 10309, 11102, 11544, 12432, 12506, 12688, 13468, 13542, 13664, 14196, 15392, 15799, 16224, 16653, 18056, 18759, 18928, 19032, 20202, 20496, 20618, 22204, 23088, 24864, 25012, 25376, 26936, 27084, 28392, 29341, 30927, 31598, 33306, 36112, 37518, 37856, 38064, 40404, 40992, 41236, 43771, 44408, 46176, 47397, 50024, 53872, 54168, 56784, 58682, 61854, 63196, 66612, 72163, 72224, 75036, 76128, 80808, 82472, 87542, 88023, 88816, 94794, 100048, 107744, 108336, 113568, 117364, 123708, 126392, 131313, 133224, 144326, 150072, 161616, 164944, 175084, 176046, 177632, 189588, 200096, 205387, 216489, 216672, 234728, 247416, 252784, 262626, 266448, 288652, 300144, 323232, 329888, 350168, 352092, 379176, 381433, 410774, 432978, 469456, 494832, 505568, 525252, 532896, 577304, 600288, 616161, 700336, 704184, 758352, 762866, 821548, 865956, 938912, 989664, 1050504, 1144299, 1154608, 1232322, 1400672, 1408368, 1516704, 1525732, 1643096, 1731912, 2101008, 2288598, 2309216, 2464644, 2670031, 2816736, 3051464, 3286192, 3463824, 4202016, 4577196, 4929288, 5340062, 6102928, 6572384, 6927648, 8010093, 9154392, 9858576, 10680124, 12205856, 16020186, 18308784, 19717152, 21360248, 32040372, 36617568, 42720496, 64080744, 85440992, 128161488, 256322976]

約数ペア:

[(1, 256322976), (2, 128161488), (3, 85440992), (4, 64080744), (6, 42720496), (7, 36617568), (8, 32040372), (12, 21360248), (13, 19717152), (14, 18308784), (16, 16020186), (21, 12205856), (24, 10680124), (26, 9858576), (28, 9154392), (32, 8010093), (37, 6927648), (39, 6572384), (42, 6102928), (48, 5340062), (52, 4929288), (56, 4577196), (61, 4202016), (74, 3463824), (78, 3286192), (84, 3051464), (91, 2816736), (96, 2670031), (104, 2464644), (111, 2309216), (112, 2288598), (122, 2101008), (148, 1731912), (156, 1643096), (168, 1525732), (169, 1516704), (182, 1408368), (183, 1400672), (208, 1232322), (222, 1154608), (224, 1144299), (244, 1050504), (259, 989664), (273, 938912), (296, 865956), (312, 821548), (336, 762866), (338, 758352), (364, 704184), (366, 700336), (416, 616161), (427, 600288), (444, 577304), (481, 532896), (488, 525252), (507, 505568), (518, 494832), (546, 469456), (592, 432978), (624, 410774), (672, 381433), (676, 379176), (728, 352092), (732, 350168), (777, 329888), (793, 323232), (854, 300144), (888, 288652), (962, 266448), (976, 262626), (1014, 252784), (1036, 247416), (1092, 234728), (1183, 216672), (1184, 216489), (1248, 205387), (1281, 200096), (1352, 189588), (1443, 177632), (1456, 176046), (1464, 175084), (1554, 164944), (1586, 161616), (1708, 150072), (1776, 144326), (1924, 133224), (1952, 131313), (2028, 126392), (2072, 123708), (2184, 117364), (2257, 113568), (2366, 108336), (2379, 107744), (2562, 100048), (2704, 94794), (2886, 88816), (2912, 88023), (2928, 87542), (3108, 82472), (3172, 80808), (3367, 76128), (3416, 75036), (3549, 72224), (3552, 72163), (3848, 66612), (4056, 63196), (4144, 61854), (4368, 58682), (4514, 56784), (4732, 54168), (4758, 53872), (5124, 50024), (5408, 47397), (5551, 46176), (5772, 44408), (5856, 43771), (6216, 41236), (6253, 40992), (6344, 40404), (6734, 38064), (6771, 37856), (6832, 37518), (7098, 36112), (7696, 33306), (8112, 31598), (8288, 30927), (8736, 29341), (9028, 28392), (9464, 27084), (9516, 26936), (10101, 25376), (10248, 25012), (10309, 24864), (11102, 23088), (11544, 22204), (12432, 20618), (12506, 20496), (12688, 20202), (13468, 19032), (13542, 18928), (13664, 18759), (14196, 18056), (15392, 16653), (15799, 16224)]