256081056

素因数分解:

$2^5\times 3^1\times 7^4\times {\mathrm{11}}^1\times {\mathrm{101}}^1$

素因数の和:153

約数の個数: 240

約数和(自身を含む): 863962848

約数和(自身を除く): 607881792

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 24, 28, 32, 33, 42, 44, 48, 49, 56, 66, 77, 84, 88, 96, 98, 101, 112, 132, 147, 154, 168, 176, 196, 202, 224, 231, 264, 294, 303, 308, 336, 343, 352, 392, 404, 462, 528, 539, 588, 606, 616, 672, 686, 707, 784, 808, 924, 1029, 1056, 1078, 1111, 1176, 1212, 1232, 1372, 1414, 1568, 1616, 1617, 1848, 2058, 2121, 2156, 2222, 2352, 2401, 2424, 2464, 2744, 2828, 3232, 3234, 3333, 3696, 3773, 4116, 4242, 4312, 4444, 4704, 4802, 4848, 4949, 5488, 5656, 6468, 6666, 7203, 7392, 7546, 7777, 8232, 8484, 8624, 8888, 9604, 9696, 9898, 10976, 11312, 11319, 12936, 13332, 14406, 14847, 15092, 15554, 16464, 16968, 17248, 17776, 19208, 19796, 22624, 22638, 23331, 25872, 26411, 26664, 28812, 29694, 30184, 31108, 32928, 33936, 34643, 35552, 38416, 39592, 45276, 46662, 51744, 52822, 53328, 54439, 57624, 59388, 60368, 62216, 67872, 69286, 76832, 79184, 79233, 90552, 93324, 103929, 105644, 106656, 108878, 115248, 118776, 120736, 124432, 138572, 158368, 158466, 163317, 181104, 186648, 207858, 211288, 217756, 230496, 237552, 242501, 248864, 277144, 316932, 326634, 362208, 373296, 381073, 415716, 422576, 435512, 475104, 485002, 554288, 633864, 653268, 727503, 746592, 762146, 831432, 845152, 871024, 970004, 1108576, 1143219, 1267728, 1306536, 1455006, 1524292, 1662864, 1742048, 1940008, 2286438, 2535456, 2613072, 2667511, 2910012, 3048584, 3325728, 3880016, 4572876, 5226144, 5335022, 5820024, 6097168, 7760032, 8002533, 9145752, 10670044, 11640048, 12194336, 16005066, 18291504, 21340088, 23280096, 32010132, 36583008, 42680176, 64020264, 85360352, 128040528, 256081056]

約数ペア:

[(1, 256081056), (2, 128040528), (3, 85360352), (4, 64020264), (6, 42680176), (7, 36583008), (8, 32010132), (11, 23280096), (12, 21340088), (14, 18291504), (16, 16005066), (21, 12194336), (22, 11640048), (24, 10670044), (28, 9145752), (32, 8002533), (33, 7760032), (42, 6097168), (44, 5820024), (48, 5335022), (49, 5226144), (56, 4572876), (66, 3880016), (77, 3325728), (84, 3048584), (88, 2910012), (96, 2667511), (98, 2613072), (101, 2535456), (112, 2286438), (132, 1940008), (147, 1742048), (154, 1662864), (168, 1524292), (176, 1455006), (196, 1306536), (202, 1267728), (224, 1143219), (231, 1108576), (264, 970004), (294, 871024), (303, 845152), (308, 831432), (336, 762146), (343, 746592), (352, 727503), (392, 653268), (404, 633864), (462, 554288), (528, 485002), (539, 475104), (588, 435512), (606, 422576), (616, 415716), (672, 381073), (686, 373296), (707, 362208), (784, 326634), (808, 316932), (924, 277144), (1029, 248864), (1056, 242501), (1078, 237552), (1111, 230496), (1176, 217756), (1212, 211288), (1232, 207858), (1372, 186648), (1414, 181104), (1568, 163317), (1616, 158466), (1617, 158368), (1848, 138572), (2058, 124432), (2121, 120736), (2156, 118776), (2222, 115248), (2352, 108878), (2401, 106656), (2424, 105644), (2464, 103929), (2744, 93324), (2828, 90552), (3232, 79233), (3234, 79184), (3333, 76832), (3696, 69286), (3773, 67872), (4116, 62216), (4242, 60368), (4312, 59388), (4444, 57624), (4704, 54439), (4802, 53328), (4848, 52822), (4949, 51744), (5488, 46662), (5656, 45276), (6468, 39592), (6666, 38416), (7203, 35552), (7392, 34643), (7546, 33936), (7777, 32928), (8232, 31108), (8484, 30184), (8624, 29694), (8888, 28812), (9604, 26664), (9696, 26411), (9898, 25872), (10976, 23331), (11312, 22638), (11319, 22624), (12936, 19796), (13332, 19208), (14406, 17776), (14847, 17248), (15092, 16968), (15554, 16464)]