256130784

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{337}}^1$

素因数の和:402

約数の個数: 288

約数和(自身を含む): 930121920

約数和(自身を除く): 673991136

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 28, 29, 32, 36, 39, 42, 48, 52, 56, 58, 63, 72, 78, 84, 87, 91, 96, 104, 112, 116, 117, 126, 144, 156, 168, 174, 182, 203, 208, 224, 232, 234, 252, 261, 273, 288, 312, 336, 337, 348, 364, 377, 406, 416, 464, 468, 504, 522, 546, 609, 624, 672, 674, 696, 728, 754, 812, 819, 928, 936, 1008, 1011, 1044, 1092, 1131, 1218, 1248, 1348, 1392, 1456, 1508, 1624, 1638, 1827, 1872, 2016, 2022, 2088, 2184, 2262, 2359, 2436, 2639, 2696, 2784, 2912, 3016, 3033, 3248, 3276, 3393, 3654, 3744, 4044, 4176, 4368, 4381, 4524, 4718, 4872, 5278, 5392, 6032, 6066, 6496, 6552, 6786, 7077, 7308, 7917, 8088, 8352, 8736, 8762, 9048, 9436, 9744, 9773, 10556, 10784, 12064, 12132, 13104, 13143, 13572, 14154, 14616, 15834, 16176, 17524, 18096, 18872, 19488, 19546, 21112, 21231, 23751, 24264, 26208, 26286, 27144, 28308, 29232, 29319, 30667, 31668, 32352, 35048, 36192, 37744, 39092, 39429, 42224, 42462, 47502, 48528, 52572, 54288, 56616, 58464, 58638, 61334, 63336, 68411, 70096, 75488, 78184, 78858, 84448, 84924, 87957, 92001, 95004, 97056, 105144, 108576, 113232, 117276, 122668, 126672, 127049, 136822, 140192, 156368, 157716, 169848, 175914, 184002, 190008, 205233, 210288, 226464, 234552, 245336, 253344, 254098, 273644, 276003, 312736, 315432, 339696, 351828, 368004, 380016, 381147, 410466, 420576, 469104, 490672, 508196, 547288, 552006, 615699, 630864, 679392, 703656, 736008, 760032, 762294, 820932, 889343, 938208, 981344, 1016392, 1094576, 1104012, 1143441, 1231398, 1261728, 1407312, 1472016, 1524588, 1641864, 1778686, 2032784, 2189152, 2208024, 2286882, 2462796, 2668029, 2814624, 2944032, 3049176, 3283728, 3557372, 4065568, 4416048, 4573764, 4925592, 5336058, 6098352, 6567456, 7114744, 8004087, 8832096, 9147528, 9851184, 10672116, 12196704, 14229488, 16008174, 18295056, 19702368, 21344232, 28458976, 32016348, 36590112, 42688464, 64032696, 85376928, 128065392, 256130784]

約数ペア:

[(1, 256130784), (2, 128065392), (3, 85376928), (4, 64032696), (6, 42688464), (7, 36590112), (8, 32016348), (9, 28458976), (12, 21344232), (13, 19702368), (14, 18295056), (16, 16008174), (18, 14229488), (21, 12196704), (24, 10672116), (26, 9851184), (28, 9147528), (29, 8832096), (32, 8004087), (36, 7114744), (39, 6567456), (42, 6098352), (48, 5336058), (52, 4925592), (56, 4573764), (58, 4416048), (63, 4065568), (72, 3557372), (78, 3283728), (84, 3049176), (87, 2944032), (91, 2814624), (96, 2668029), (104, 2462796), (112, 2286882), (116, 2208024), (117, 2189152), (126, 2032784), (144, 1778686), (156, 1641864), (168, 1524588), (174, 1472016), (182, 1407312), (203, 1261728), (208, 1231398), (224, 1143441), (232, 1104012), (234, 1094576), (252, 1016392), (261, 981344), (273, 938208), (288, 889343), (312, 820932), (336, 762294), (337, 760032), (348, 736008), (364, 703656), (377, 679392), (406, 630864), (416, 615699), (464, 552006), (468, 547288), (504, 508196), (522, 490672), (546, 469104), (609, 420576), (624, 410466), (672, 381147), (674, 380016), (696, 368004), (728, 351828), (754, 339696), (812, 315432), (819, 312736), (928, 276003), (936, 273644), (1008, 254098), (1011, 253344), (1044, 245336), (1092, 234552), (1131, 226464), (1218, 210288), (1248, 205233), (1348, 190008), (1392, 184002), (1456, 175914), (1508, 169848), (1624, 157716), (1638, 156368), (1827, 140192), (1872, 136822), (2016, 127049), (2022, 126672), (2088, 122668), (2184, 117276), (2262, 113232), (2359, 108576), (2436, 105144), (2639, 97056), (2696, 95004), (2784, 92001), (2912, 87957), (3016, 84924), (3033, 84448), (3248, 78858), (3276, 78184), (3393, 75488), (3654, 70096), (3744, 68411), (4044, 63336), (4176, 61334), (4368, 58638), (4381, 58464), (4524, 56616), (4718, 54288), (4872, 52572), (5278, 48528), (5392, 47502), (6032, 42462), (6066, 42224), (6496, 39429), (6552, 39092), (6786, 37744), (7077, 36192), (7308, 35048), (7917, 32352), (8088, 31668), (8352, 30667), (8736, 29319), (8762, 29232), (9048, 28308), (9436, 27144), (9744, 26286), (9773, 26208), (10556, 24264), (10784, 23751), (12064, 21231), (12132, 21112), (13104, 19546), (13143, 19488), (13572, 18872), (14154, 18096), (14616, 17524), (15834, 16176)]