256574976

素因数分解:

$2^9\times 3^1\times 7^3\times {\mathrm{487}}^1$

素因数の和:529

約数の個数: 160

約数和(自身を含む): 798758400

約数和(自身を除く): 542183424

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, 168, 192, 196, 224, 256, 294, 336, 343, 384, 392, 448, 487, 512, 588, 672, 686, 768, 784, 896, 974, 1029, 1176, 1344, 1372, 1461, 1536, 1568, 1792, 1948, 2058, 2352, 2688, 2744, 2922, 3136, 3409, 3584, 3896, 4116, 4704, 5376, 5488, 5844, 6272, 6818, 7792, 8232, 9408, 10227, 10752, 10976, 11688, 12544, 13636, 15584, 16464, 18816, 20454, 21952, 23376, 23863, 25088, 27272, 31168, 32928, 37632, 40908, 43904, 46752, 47726, 54544, 62336, 65856, 71589, 75264, 81816, 87808, 93504, 95452, 109088, 124672, 131712, 143178, 163632, 167041, 175616, 187008, 190904, 218176, 249344, 263424, 286356, 327264, 334082, 374016, 381808, 436352, 501123, 526848, 572712, 654528, 668164, 748032, 763616, 872704, 1002246, 1145424, 1309056, 1336328, 1527232, 1745408, 2004492, 2290848, 2618112, 2672656, 3054464, 4008984, 4581696, 5236224, 5345312, 6108928, 8017968, 9163392, 10690624, 12217856, 16035936, 18326784, 21381248, 32071872, 36653568, 42762496, 64143744, 85524992, 128287488, 256574976]

約数ペア:

[(1, 256574976), (2, 128287488), (3, 85524992), (4, 64143744), (6, 42762496), (7, 36653568), (8, 32071872), (12, 21381248), (14, 18326784), (16, 16035936), (21, 12217856), (24, 10690624), (28, 9163392), (32, 8017968), (42, 6108928), (48, 5345312), (49, 5236224), (56, 4581696), (64, 4008984), (84, 3054464), (96, 2672656), (98, 2618112), (112, 2290848), (128, 2004492), (147, 1745408), (168, 1527232), (192, 1336328), (196, 1309056), (224, 1145424), (256, 1002246), (294, 872704), (336, 763616), (343, 748032), (384, 668164), (392, 654528), (448, 572712), (487, 526848), (512, 501123), (588, 436352), (672, 381808), (686, 374016), (768, 334082), (784, 327264), (896, 286356), (974, 263424), (1029, 249344), (1176, 218176), (1344, 190904), (1372, 187008), (1461, 175616), (1536, 167041), (1568, 163632), (1792, 143178), (1948, 131712), (2058, 124672), (2352, 109088), (2688, 95452), (2744, 93504), (2922, 87808), (3136, 81816), (3409, 75264), (3584, 71589), (3896, 65856), (4116, 62336), (4704, 54544), (5376, 47726), (5488, 46752), (5844, 43904), (6272, 40908), (6818, 37632), (7792, 32928), (8232, 31168), (9408, 27272), (10227, 25088), (10752, 23863), (10976, 23376), (11688, 21952), (12544, 20454), (13636, 18816), (15584, 16464)]