256905216

素因数分解:

$2^{12}\times 3^3\times {\mathrm{23}}^1\times {\mathrm{101}}^1$

素因数の和:157

約数の個数: 208

約数和(自身を含む): 802062720

約数和(自身を除く): 545157504

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 27, 32, 36, 46, 48, 54, 64, 69, 72, 92, 96, 101, 108, 128, 138, 144, 184, 192, 202, 207, 216, 256, 276, 288, 303, 368, 384, 404, 414, 432, 512, 552, 576, 606, 621, 736, 768, 808, 828, 864, 909, 1024, 1104, 1152, 1212, 1242, 1472, 1536, 1616, 1656, 1728, 1818, 2048, 2208, 2304, 2323, 2424, 2484, 2727, 2944, 3072, 3232, 3312, 3456, 3636, 4096, 4416, 4608, 4646, 4848, 4968, 5454, 5888, 6144, 6464, 6624, 6912, 6969, 7272, 8832, 9216, 9292, 9696, 9936, 10908, 11776, 12288, 12928, 13248, 13824, 13938, 14544, 17664, 18432, 18584, 19392, 19872, 20907, 21816, 23552, 25856, 26496, 27648, 27876, 29088, 35328, 36864, 37168, 38784, 39744, 41814, 43632, 47104, 51712, 52992, 55296, 55752, 58176, 62721, 70656, 74336, 77568, 79488, 83628, 87264, 94208, 103424, 105984, 110592, 111504, 116352, 125442, 141312, 148672, 155136, 158976, 167256, 174528, 206848, 211968, 223008, 232704, 250884, 282624, 297344, 310272, 317952, 334512, 349056, 413696, 423936, 446016, 465408, 501768, 594688, 620544, 635904, 669024, 698112, 847872, 892032, 930816, 1003536, 1189376, 1241088, 1271808, 1338048, 1396224, 1784064, 1861632, 2007072, 2378752, 2543616, 2676096, 2792448, 3568128, 3723264, 4014144, 4757504, 5352192, 5584896, 7136256, 8028288, 9515008, 10704384, 11169792, 14272512, 16056576, 21408768, 28545024, 32113152, 42817536, 64226304, 85635072, 128452608, 256905216]

約数ペア:

[(1, 256905216), (2, 128452608), (3, 85635072), (4, 64226304), (6, 42817536), (8, 32113152), (9, 28545024), (12, 21408768), (16, 16056576), (18, 14272512), (23, 11169792), (24, 10704384), (27, 9515008), (32, 8028288), (36, 7136256), (46, 5584896), (48, 5352192), (54, 4757504), (64, 4014144), (69, 3723264), (72, 3568128), (92, 2792448), (96, 2676096), (101, 2543616), (108, 2378752), (128, 2007072), (138, 1861632), (144, 1784064), (184, 1396224), (192, 1338048), (202, 1271808), (207, 1241088), (216, 1189376), (256, 1003536), (276, 930816), (288, 892032), (303, 847872), (368, 698112), (384, 669024), (404, 635904), (414, 620544), (432, 594688), (512, 501768), (552, 465408), (576, 446016), (606, 423936), (621, 413696), (736, 349056), (768, 334512), (808, 317952), (828, 310272), (864, 297344), (909, 282624), (1024, 250884), (1104, 232704), (1152, 223008), (1212, 211968), (1242, 206848), (1472, 174528), (1536, 167256), (1616, 158976), (1656, 155136), (1728, 148672), (1818, 141312), (2048, 125442), (2208, 116352), (2304, 111504), (2323, 110592), (2424, 105984), (2484, 103424), (2727, 94208), (2944, 87264), (3072, 83628), (3232, 79488), (3312, 77568), (3456, 74336), (3636, 70656), (4096, 62721), (4416, 58176), (4608, 55752), (4646, 55296), (4848, 52992), (4968, 51712), (5454, 47104), (5888, 43632), (6144, 41814), (6464, 39744), (6624, 38784), (6912, 37168), (6969, 36864), (7272, 35328), (8832, 29088), (9216, 27876), (9292, 27648), (9696, 26496), (9936, 25856), (10908, 23552), (11776, 21816), (12288, 20907), (12928, 19872), (13248, 19392), (13824, 18584), (13938, 18432), (14544, 17664)]