256521216

素因数分解:

$2^{10}\times 3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{151}}^1$

素因数の和:260

約数の個数: 176

約数和(自身を含む): 796528640

約数和(自身を除く): 540007424

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 79, 84, 96, 112, 128, 151, 158, 168, 192, 224, 237, 256, 302, 316, 336, 384, 448, 453, 474, 512, 553, 604, 632, 672, 768, 896, 906, 948, 1024, 1057, 1106, 1208, 1264, 1344, 1536, 1659, 1792, 1812, 1896, 2114, 2212, 2416, 2528, 2688, 3072, 3171, 3318, 3584, 3624, 3792, 4228, 4424, 4832, 5056, 5376, 6342, 6636, 7168, 7248, 7584, 8456, 8848, 9664, 10112, 10752, 11929, 12684, 13272, 14496, 15168, 16912, 17696, 19328, 20224, 21504, 23858, 25368, 26544, 28992, 30336, 33824, 35392, 35787, 38656, 40448, 47716, 50736, 53088, 57984, 60672, 67648, 70784, 71574, 77312, 80896, 83503, 95432, 101472, 106176, 115968, 121344, 135296, 141568, 143148, 154624, 167006, 190864, 202944, 212352, 231936, 242688, 250509, 270592, 283136, 286296, 334012, 381728, 405888, 424704, 463872, 501018, 541184, 566272, 572592, 668024, 763456, 811776, 849408, 1002036, 1082368, 1145184, 1336048, 1526912, 1623552, 1698816, 2004072, 2290368, 2672096, 3053824, 3247104, 4008144, 4580736, 5344192, 6107648, 8016288, 9161472, 10688384, 12215296, 16032576, 18322944, 21376768, 32065152, 36645888, 42753536, 64130304, 85507072, 128260608, 256521216]

約数ペア:

[(1, 256521216), (2, 128260608), (3, 85507072), (4, 64130304), (6, 42753536), (7, 36645888), (8, 32065152), (12, 21376768), (14, 18322944), (16, 16032576), (21, 12215296), (24, 10688384), (28, 9161472), (32, 8016288), (42, 6107648), (48, 5344192), (56, 4580736), (64, 4008144), (79, 3247104), (84, 3053824), (96, 2672096), (112, 2290368), (128, 2004072), (151, 1698816), (158, 1623552), (168, 1526912), (192, 1336048), (224, 1145184), (237, 1082368), (256, 1002036), (302, 849408), (316, 811776), (336, 763456), (384, 668024), (448, 572592), (453, 566272), (474, 541184), (512, 501018), (553, 463872), (604, 424704), (632, 405888), (672, 381728), (768, 334012), (896, 286296), (906, 283136), (948, 270592), (1024, 250509), (1057, 242688), (1106, 231936), (1208, 212352), (1264, 202944), (1344, 190864), (1536, 167006), (1659, 154624), (1792, 143148), (1812, 141568), (1896, 135296), (2114, 121344), (2212, 115968), (2416, 106176), (2528, 101472), (2688, 95432), (3072, 83503), (3171, 80896), (3318, 77312), (3584, 71574), (3624, 70784), (3792, 67648), (4228, 60672), (4424, 57984), (4832, 53088), (5056, 50736), (5376, 47716), (6342, 40448), (6636, 38656), (7168, 35787), (7248, 35392), (7584, 33824), (8456, 30336), (8848, 28992), (9664, 26544), (10112, 25368), (10752, 23858), (11929, 21504), (12684, 20224), (13272, 19328), (14496, 17696), (15168, 16912)]