257263776

素因数分解:

$2^5\times 3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1289}}^1$

素因数の和:1329

約数の個数: 240

約数和(自身を含む): 944032320

約数和(自身を除く): 686768544

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, 66, 72, 77, 81, 84, 88, 96, 99, 108, 112, 126, 132, 144, 154, 162, 168, 176, 189, 198, 216, 224, 231, 252, 264, 288, 297, 308, 324, 336, 352, 378, 396, 432, 462, 504, 528, 567, 594, 616, 648, 672, 693, 756, 792, 864, 891, 924, 1008, 1056, 1134, 1188, 1232, 1289, 1296, 1386, 1512, 1584, 1782, 1848, 2016, 2079, 2268, 2376, 2464, 2578, 2592, 2772, 3024, 3168, 3564, 3696, 3867, 4158, 4536, 4752, 5156, 5544, 6048, 6237, 7128, 7392, 7734, 8316, 9023, 9072, 9504, 10312, 11088, 11601, 12474, 14179, 14256, 15468, 16632, 18046, 18144, 20624, 22176, 23202, 24948, 27069, 28358, 28512, 30936, 33264, 34803, 36092, 41248, 42537, 46404, 49896, 54138, 56716, 61872, 66528, 69606, 72184, 81207, 85074, 92808, 99253, 99792, 104409, 108276, 113432, 123744, 127611, 139212, 144368, 162414, 170148, 185616, 198506, 199584, 208818, 216552, 226864, 243621, 255222, 278424, 288736, 297759, 324828, 340296, 371232, 382833, 397012, 417636, 433104, 453728, 487242, 510444, 556848, 595518, 649656, 680592, 730863, 765666, 794024, 835272, 866208, 893277, 974484, 1020888, 1113696, 1148499, 1191036, 1299312, 1361184, 1461726, 1531332, 1588048, 1670544, 1786554, 1948968, 2041776, 2296998, 2382072, 2598624, 2679831, 2923452, 3062664, 3176096, 3341088, 3573108, 3897936, 4083552, 4593996, 4764144, 5359662, 5846904, 6125328, 7146216, 7795872, 8039493, 9187992, 9528288, 10719324, 11693808, 12250656, 14292432, 16078986, 18375984, 21438648, 23387616, 28584864, 32157972, 36751968, 42877296, 64315944, 85754592, 128631888, 257263776]

約数ペア:

[(1, 257263776), (2, 128631888), (3, 85754592), (4, 64315944), (6, 42877296), (7, 36751968), (8, 32157972), (9, 28584864), (11, 23387616), (12, 21438648), (14, 18375984), (16, 16078986), (18, 14292432), (21, 12250656), (22, 11693808), (24, 10719324), (27, 9528288), (28, 9187992), (32, 8039493), (33, 7795872), (36, 7146216), (42, 6125328), (44, 5846904), (48, 5359662), (54, 4764144), (56, 4593996), (63, 4083552), (66, 3897936), (72, 3573108), (77, 3341088), (81, 3176096), (84, 3062664), (88, 2923452), (96, 2679831), (99, 2598624), (108, 2382072), (112, 2296998), (126, 2041776), (132, 1948968), (144, 1786554), (154, 1670544), (162, 1588048), (168, 1531332), (176, 1461726), (189, 1361184), (198, 1299312), (216, 1191036), (224, 1148499), (231, 1113696), (252, 1020888), (264, 974484), (288, 893277), (297, 866208), (308, 835272), (324, 794024), (336, 765666), (352, 730863), (378, 680592), (396, 649656), (432, 595518), (462, 556848), (504, 510444), (528, 487242), (567, 453728), (594, 433104), (616, 417636), (648, 397012), (672, 382833), (693, 371232), (756, 340296), (792, 324828), (864, 297759), (891, 288736), (924, 278424), (1008, 255222), (1056, 243621), (1134, 226864), (1188, 216552), (1232, 208818), (1289, 199584), (1296, 198506), (1386, 185616), (1512, 170148), (1584, 162414), (1782, 144368), (1848, 139212), (2016, 127611), (2079, 123744), (2268, 113432), (2376, 108276), (2464, 104409), (2578, 99792), (2592, 99253), (2772, 92808), (3024, 85074), (3168, 81207), (3564, 72184), (3696, 69606), (3867, 66528), (4158, 61872), (4536, 56716), (4752, 54138), (5156, 49896), (5544, 46404), (6048, 42537), (6237, 41248), (7128, 36092), (7392, 34803), (7734, 33264), (8316, 30936), (9023, 28512), (9072, 28358), (9504, 27069), (10312, 24948), (11088, 23202), (11601, 22176), (12474, 20624), (14179, 18144), (14256, 18046), (15468, 16632)]