278439168

素因数分解:

$2^8\times 3^1\times 7^4\times {\mathrm{151}}^1$

素因数の和:198

約数の個数: 180

約数和(自身を含む): 870237088

約数和(自身を除く): 591797920

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 64, 84, 96, 98, 112, 128, 147, 151, 168, 192, 196, 224, 256, 294, 302, 336, 343, 384, 392, 448, 453, 588, 604, 672, 686, 768, 784, 896, 906, 1029, 1057, 1176, 1208, 1344, 1372, 1568, 1792, 1812, 2058, 2114, 2352, 2401, 2416, 2688, 2744, 3136, 3171, 3624, 4116, 4228, 4704, 4802, 4832, 5376, 5488, 6272, 6342, 7203, 7248, 7399, 8232, 8456, 9408, 9604, 9664, 10976, 12544, 12684, 14406, 14496, 14798, 16464, 16912, 18816, 19208, 19328, 21952, 22197, 25368, 28812, 28992, 29596, 32928, 33824, 37632, 38416, 38656, 43904, 44394, 50736, 51793, 57624, 57984, 59192, 65856, 67648, 76832, 87808, 88788, 101472, 103586, 115248, 115968, 118384, 131712, 135296, 153664, 155379, 177576, 202944, 207172, 230496, 236768, 263424, 270592, 307328, 310758, 355152, 362551, 405888, 414344, 460992, 473536, 614656, 621516, 710304, 725102, 811776, 828688, 921984, 947072, 1087653, 1243032, 1420608, 1450204, 1657376, 1843968, 1894144, 2175306, 2486064, 2841216, 2900408, 3314752, 4350612, 4972128, 5682432, 5800816, 6629504, 8701224, 9944256, 11601632, 13259008, 17402448, 19888512, 23203264, 34804896, 39777024, 46406528, 69609792, 92813056, 139219584, 278439168]

約数ペア:

[(1, 278439168), (2, 139219584), (3, 92813056), (4, 69609792), (6, 46406528), (7, 39777024), (8, 34804896), (12, 23203264), (14, 19888512), (16, 17402448), (21, 13259008), (24, 11601632), (28, 9944256), (32, 8701224), (42, 6629504), (48, 5800816), (49, 5682432), (56, 4972128), (64, 4350612), (84, 3314752), (96, 2900408), (98, 2841216), (112, 2486064), (128, 2175306), (147, 1894144), (151, 1843968), (168, 1657376), (192, 1450204), (196, 1420608), (224, 1243032), (256, 1087653), (294, 947072), (302, 921984), (336, 828688), (343, 811776), (384, 725102), (392, 710304), (448, 621516), (453, 614656), (588, 473536), (604, 460992), (672, 414344), (686, 405888), (768, 362551), (784, 355152), (896, 310758), (906, 307328), (1029, 270592), (1057, 263424), (1176, 236768), (1208, 230496), (1344, 207172), (1372, 202944), (1568, 177576), (1792, 155379), (1812, 153664), (2058, 135296), (2114, 131712), (2352, 118384), (2401, 115968), (2416, 115248), (2688, 103586), (2744, 101472), (3136, 88788), (3171, 87808), (3624, 76832), (4116, 67648), (4228, 65856), (4704, 59192), (4802, 57984), (4832, 57624), (5376, 51793), (5488, 50736), (6272, 44394), (6342, 43904), (7203, 38656), (7248, 38416), (7399, 37632), (8232, 33824), (8456, 32928), (9408, 29596), (9604, 28992), (9664, 28812), (10976, 25368), (12544, 22197), (12684, 21952), (14406, 19328), (14496, 19208), (14798, 18816), (16464, 16912)]