256811517872

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{631}}^1$

素因数の和:888

約数の個数: 320

約数和(自身を含む): 647126581248

約数和(自身を除く): 390315063376

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 52, 56, 62, 71, 91, 104, 112, 124, 127, 142, 182, 208, 217, 248, 254, 284, 364, 403, 434, 496, 497, 508, 568, 631, 728, 806, 868, 889, 923, 994, 1016, 1136, 1262, 1456, 1612, 1651, 1736, 1778, 1846, 1988, 2032, 2201, 2524, 2821, 3224, 3302, 3472, 3556, 3692, 3937, 3976, 4402, 4417, 5048, 5642, 6448, 6461, 6604, 7112, 7384, 7874, 7952, 8203, 8804, 8834, 9017, 10096, 11284, 11557, 12922, 13208, 14224, 14768, 15407, 15748, 16406, 17608, 17668, 18034, 19561, 22568, 23114, 25844, 26416, 27559, 28613, 30814, 31496, 32812, 35216, 35336, 36068, 39122, 44801, 45136, 46228, 51181, 51688, 55118, 57226, 57421, 61628, 62992, 63119, 65624, 70672, 72136, 78244, 80137, 89602, 92456, 102362, 103376, 110236, 114452, 114842, 117221, 123256, 126238, 131248, 136927, 144272, 156488, 160274, 179204, 184912, 200291, 204724, 220472, 228904, 229684, 234442, 246512, 252476, 254293, 273854, 279527, 312976, 313607, 320548, 358267, 358408, 400582, 409448, 440944, 457808, 459368, 468884, 504952, 508586, 547708, 559054, 560959, 582413, 627214, 641096, 716534, 716816, 801164, 818896, 820547, 918736, 937768, 1009904, 1017172, 1041781, 1095416, 1118108, 1121918, 1164826, 1254428, 1282192, 1388831, 1433068, 1602328, 1641094, 1780051, 1875536, 1956689, 2034344, 2083562, 2190832, 2236216, 2243836, 2329652, 2484247, 2508856, 2777662, 2866136, 3204656, 3282188, 3560102, 3633851, 3913378, 4068688, 4076891, 4167124, 4472432, 4487672, 4659304, 4968494, 5017712, 5555324, 5689727, 5732272, 6564376, 7120204, 7267702, 7292467, 7826756, 8153782, 8334248, 8975344, 9318608, 9721817, 9936988, 11110648, 11379454, 13128752, 14240408, 14535404, 14584934, 15653512, 16307564, 16668496, 17389729, 18054803, 19443634, 19873976, 22221296, 22758908, 25436957, 28480816, 29070808, 29169868, 31307024, 32295211, 32615128, 34779458, 36109606, 38887268, 39747952, 39828089, 45517816, 50873914, 58141616, 58339736, 64590422, 65230256, 69558916, 72219212, 73966451, 77774536, 79656178, 91035632, 101747828, 116679472, 126383621, 129180844, 139117832, 144438424, 147932902, 155549072, 159312356, 176381537, 203495656, 226066477, 252767242, 258361688, 278235664, 288876848, 295865804, 318624712, 352763074, 406991312, 452132954, 505534484, 516723376, 517765157, 591731608, 637249424, 705526148, 904265908, 1011068968, 1035530314, 1183463216, 1234670759, 1411052296, 1808531816, 2022137936, 2071060628, 2292959981, 2469341518, 2822104592, 3617063632, 4142121256, 4585919962, 4938683036, 8284242512, 9171839924, 9877366072, 16050719867, 18343679848, 19754732144, 32101439734, 36687359696, 64202879468, 128405758936, 256811517872]

約数ペア:

[(1, 256811517872), (2, 128405758936), (4, 64202879468), (7, 36687359696), (8, 32101439734), (13, 19754732144), (14, 18343679848), (16, 16050719867), (26, 9877366072), (28, 9171839924), (31, 8284242512), (52, 4938683036), (56, 4585919962), (62, 4142121256), (71, 3617063632), (91, 2822104592), (104, 2469341518), (112, 2292959981), (124, 2071060628), (127, 2022137936), (142, 1808531816), (182, 1411052296), (208, 1234670759), (217, 1183463216), (248, 1035530314), (254, 1011068968), (284, 904265908), (364, 705526148), (403, 637249424), (434, 591731608), (496, 517765157), (497, 516723376), (508, 505534484), (568, 452132954), (631, 406991312), (728, 352763074), (806, 318624712), (868, 295865804), (889, 288876848), (923, 278235664), (994, 258361688), (1016, 252767242), (1136, 226066477), (1262, 203495656), (1456, 176381537), (1612, 159312356), (1651, 155549072), (1736, 147932902), (1778, 144438424), (1846, 139117832), (1988, 129180844), (2032, 126383621), (2201, 116679472), (2524, 101747828), (2821, 91035632), (3224, 79656178), (3302, 77774536), (3472, 73966451), (3556, 72219212), (3692, 69558916), (3937, 65230256), (3976, 64590422), (4402, 58339736), (4417, 58141616), (5048, 50873914), (5642, 45517816), (6448, 39828089), (6461, 39747952), (6604, 38887268), (7112, 36109606), (7384, 34779458), (7874, 32615128), (7952, 32295211), (8203, 31307024), (8804, 29169868), (8834, 29070808), (9017, 28480816), (10096, 25436957), (11284, 22758908), (11557, 22221296), (12922, 19873976), (13208, 19443634), (14224, 18054803), (14768, 17389729), (15407, 16668496), (15748, 16307564), (16406, 15653512), (17608, 14584934), (17668, 14535404), (18034, 14240408), (19561, 13128752), (22568, 11379454), (23114, 11110648), (25844, 9936988), (26416, 9721817), (27559, 9318608), (28613, 8975344), (30814, 8334248), (31496, 8153782), (32812, 7826756), (35216, 7292467), (35336, 7267702), (36068, 7120204), (39122, 6564376), (44801, 5732272), (45136, 5689727), (46228, 5555324), (51181, 5017712), (51688, 4968494), (55118, 4659304), (57226, 4487672), (57421, 4472432), (61628, 4167124), (62992, 4076891), (63119, 4068688), (65624, 3913378), (70672, 3633851), (72136, 3560102), (78244, 3282188), (80137, 3204656), (89602, 2866136), (92456, 2777662), (102362, 2508856), (103376, 2484247), (110236, 2329652), (114452, 2243836), (114842, 2236216), (117221, 2190832), (123256, 2083562), (126238, 2034344), (131248, 1956689), (136927, 1875536), (144272, 1780051), (156488, 1641094), (160274, 1602328), (179204, 1433068), (184912, 1388831), (200291, 1282192), (204724, 1254428), (220472, 1164826), (228904, 1121918), (229684, 1118108), (234442, 1095416), (246512, 1041781), (252476, 1017172), (254293, 1009904), (273854, 937768), (279527, 918736), (312976, 820547), (313607, 818896), (320548, 801164), (358267, 716816), (358408, 716534), (400582, 641096), (409448, 627214), (440944, 582413), (457808, 560959), (459368, 559054), (468884, 547708), (504952, 508586)]