256059648

素因数分解:

$2^8\times 3^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1$

素因数の和:221

約数の個数: 216

約数和(自身を含む): 812465472

約数和(自身を除く): 556405824

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 64, 72, 78, 83, 96, 103, 104, 117, 128, 144, 156, 166, 192, 206, 208, 234, 249, 256, 288, 309, 312, 332, 384, 412, 416, 468, 498, 576, 618, 624, 664, 747, 768, 824, 832, 927, 936, 996, 1079, 1152, 1236, 1248, 1328, 1339, 1494, 1648, 1664, 1854, 1872, 1992, 2158, 2304, 2472, 2496, 2656, 2678, 2988, 3237, 3296, 3328, 3708, 3744, 3984, 4017, 4316, 4944, 4992, 5312, 5356, 5976, 6474, 6592, 7416, 7488, 7968, 8034, 8549, 8632, 9711, 9888, 9984, 10624, 10712, 11952, 12051, 12948, 13184, 14832, 14976, 15936, 16068, 17098, 17264, 19422, 19776, 21248, 21424, 23904, 24102, 25647, 25896, 26368, 29664, 29952, 31872, 32136, 34196, 34528, 38844, 39552, 42848, 47808, 48204, 51294, 51792, 59328, 63744, 64272, 68392, 69056, 76941, 77688, 79104, 85696, 95616, 96408, 102588, 103584, 111137, 118656, 128544, 136784, 138112, 153882, 155376, 171392, 191232, 192816, 205176, 207168, 222274, 237312, 257088, 273568, 276224, 307764, 310752, 333411, 342784, 385632, 410352, 414336, 444548, 514176, 547136, 615528, 621504, 666822, 771264, 820704, 828672, 889096, 1000233, 1028352, 1094272, 1231056, 1243008, 1333644, 1542528, 1641408, 1778192, 2000466, 2188544, 2462112, 2486016, 2667288, 3085056, 3282816, 3556384, 4000932, 4924224, 5334576, 6565632, 7112768, 8001864, 9848448, 10669152, 14225536, 16003728, 19696896, 21338304, 28451072, 32007456, 42676608, 64014912, 85353216, 128029824, 256059648]

約数ペア:

[(1, 256059648), (2, 128029824), (3, 85353216), (4, 64014912), (6, 42676608), (8, 32007456), (9, 28451072), (12, 21338304), (13, 19696896), (16, 16003728), (18, 14225536), (24, 10669152), (26, 9848448), (32, 8001864), (36, 7112768), (39, 6565632), (48, 5334576), (52, 4924224), (64, 4000932), (72, 3556384), (78, 3282816), (83, 3085056), (96, 2667288), (103, 2486016), (104, 2462112), (117, 2188544), (128, 2000466), (144, 1778192), (156, 1641408), (166, 1542528), (192, 1333644), (206, 1243008), (208, 1231056), (234, 1094272), (249, 1028352), (256, 1000233), (288, 889096), (309, 828672), (312, 820704), (332, 771264), (384, 666822), (412, 621504), (416, 615528), (468, 547136), (498, 514176), (576, 444548), (618, 414336), (624, 410352), (664, 385632), (747, 342784), (768, 333411), (824, 310752), (832, 307764), (927, 276224), (936, 273568), (996, 257088), (1079, 237312), (1152, 222274), (1236, 207168), (1248, 205176), (1328, 192816), (1339, 191232), (1494, 171392), (1648, 155376), (1664, 153882), (1854, 138112), (1872, 136784), (1992, 128544), (2158, 118656), (2304, 111137), (2472, 103584), (2496, 102588), (2656, 96408), (2678, 95616), (2988, 85696), (3237, 79104), (3296, 77688), (3328, 76941), (3708, 69056), (3744, 68392), (3984, 64272), (4017, 63744), (4316, 59328), (4944, 51792), (4992, 51294), (5312, 48204), (5356, 47808), (5976, 42848), (6474, 39552), (6592, 38844), (7416, 34528), (7488, 34196), (7968, 32136), (8034, 31872), (8549, 29952), (8632, 29664), (9711, 26368), (9888, 25896), (9984, 25647), (10624, 24102), (10712, 23904), (11952, 21424), (12051, 21248), (12948, 19776), (13184, 19422), (14832, 17264), (14976, 17098), (15936, 16068)]