256665024

素因数分解:

$2^6\times 3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{643}}^1$

素因数の和:685

約数の個数: 280

約数和(自身を含む): 950049408

約数和(自身を除く): 693384384

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 16, 18, 21, 22, 24, 27, 28, 32, 33, 36, 42, 44, 48, 54, 56, 63, 64, 66, 72, 77, 81, 84, 88, 96, 99, 108, 112, 126, 132, 144, 154, 162, 168, 176, 189, 192, 198, 216, 224, 231, 252, 264, 288, 297, 308, 324, 336, 352, 378, 396, 432, 448, 462, 504, 528, 567, 576, 594, 616, 643, 648, 672, 693, 704, 756, 792, 864, 891, 924, 1008, 1056, 1134, 1188, 1232, 1286, 1296, 1344, 1386, 1512, 1584, 1728, 1782, 1848, 1929, 2016, 2079, 2112, 2268, 2376, 2464, 2572, 2592, 2772, 3024, 3168, 3564, 3696, 3858, 4032, 4158, 4501, 4536, 4752, 4928, 5144, 5184, 5544, 5787, 6048, 6237, 6336, 7073, 7128, 7392, 7716, 8316, 9002, 9072, 9504, 10288, 11088, 11574, 12096, 12474, 13503, 14146, 14256, 14784, 15432, 16632, 17361, 18004, 18144, 19008, 20576, 21219, 22176, 23148, 24948, 27006, 28292, 28512, 30864, 33264, 34722, 36008, 36288, 40509, 41152, 42438, 44352, 46296, 49511, 49896, 52083, 54012, 56584, 57024, 61728, 63657, 66528, 69444, 72016, 81018, 84876, 92592, 99022, 99792, 104166, 108024, 113168, 121527, 123456, 127314, 133056, 138888, 144032, 148533, 162036, 169752, 185184, 190971, 198044, 199584, 208332, 216048, 226336, 243054, 254628, 277776, 288064, 297066, 324072, 339504, 364581, 370368, 381942, 396088, 399168, 416664, 432096, 445599, 452672, 486108, 509256, 555552, 572913, 594132, 648144, 679008, 729162, 763884, 792176, 833328, 864192, 891198, 972216, 1018512, 1111104, 1145826, 1188264, 1296288, 1336797, 1358016, 1458324, 1527768, 1584352, 1666656, 1782396, 1944432, 2037024, 2291652, 2376528, 2592576, 2673594, 2916648, 3055536, 3168704, 3333312, 3564792, 3888864, 4010391, 4074048, 4583304, 4753056, 5347188, 5833296, 6111072, 7129584, 7777728, 8020782, 9166608, 9506112, 10694376, 11666592, 12222144, 14259168, 16041564, 18333216, 21388752, 23333184, 28518336, 32083128, 36666432, 42777504, 64166256, 85555008, 128332512, 256665024]

約数ペア:

[(1, 256665024), (2, 128332512), (3, 85555008), (4, 64166256), (6, 42777504), (7, 36666432), (8, 32083128), (9, 28518336), (11, 23333184), (12, 21388752), (14, 18333216), (16, 16041564), (18, 14259168), (21, 12222144), (22, 11666592), (24, 10694376), (27, 9506112), (28, 9166608), (32, 8020782), (33, 7777728), (36, 7129584), (42, 6111072), (44, 5833296), (48, 5347188), (54, 4753056), (56, 4583304), (63, 4074048), (64, 4010391), (66, 3888864), (72, 3564792), (77, 3333312), (81, 3168704), (84, 3055536), (88, 2916648), (96, 2673594), (99, 2592576), (108, 2376528), (112, 2291652), (126, 2037024), (132, 1944432), (144, 1782396), (154, 1666656), (162, 1584352), (168, 1527768), (176, 1458324), (189, 1358016), (192, 1336797), (198, 1296288), (216, 1188264), (224, 1145826), (231, 1111104), (252, 1018512), (264, 972216), (288, 891198), (297, 864192), (308, 833328), (324, 792176), (336, 763884), (352, 729162), (378, 679008), (396, 648144), (432, 594132), (448, 572913), (462, 555552), (504, 509256), (528, 486108), (567, 452672), (576, 445599), (594, 432096), (616, 416664), (643, 399168), (648, 396088), (672, 381942), (693, 370368), (704, 364581), (756, 339504), (792, 324072), (864, 297066), (891, 288064), (924, 277776), (1008, 254628), (1056, 243054), (1134, 226336), (1188, 216048), (1232, 208332), (1286, 199584), (1296, 198044), (1344, 190971), (1386, 185184), (1512, 169752), (1584, 162036), (1728, 148533), (1782, 144032), (1848, 138888), (1929, 133056), (2016, 127314), (2079, 123456), (2112, 121527), (2268, 113168), (2376, 108024), (2464, 104166), (2572, 99792), (2592, 99022), (2772, 92592), (3024, 84876), (3168, 81018), (3564, 72016), (3696, 69444), (3858, 66528), (4032, 63657), (4158, 61728), (4501, 57024), (4536, 56584), (4752, 54012), (4928, 52083), (5144, 49896), (5184, 49511), (5544, 46296), (5787, 44352), (6048, 42438), (6237, 41152), (6336, 40509), (7073, 36288), (7128, 36008), (7392, 34722), (7716, 33264), (8316, 30864), (9002, 28512), (9072, 28292), (9504, 27006), (10288, 24948), (11088, 23148), (11574, 22176), (12096, 21219), (12474, 20576), (13503, 19008), (14146, 18144), (14256, 18004), (14784, 17361), (15432, 16632)]