2561891328

素因数分解:

$2^{10}\times 3^4\times {\mathrm{67}}^1\times {\mathrm{461}}^1$

素因数の和:560

約数の個数: 220

約数和(自身を含む): 7781334792

約数和(自身を除く): 5219443464

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 67, 72, 81, 96, 108, 128, 134, 144, 162, 192, 201, 216, 256, 268, 288, 324, 384, 402, 432, 461, 512, 536, 576, 603, 648, 768, 804, 864, 922, 1024, 1072, 1152, 1206, 1296, 1383, 1536, 1608, 1728, 1809, 1844, 2144, 2304, 2412, 2592, 2766, 3072, 3216, 3456, 3618, 3688, 4149, 4288, 4608, 4824, 5184, 5427, 5532, 6432, 6912, 7236, 7376, 8298, 8576, 9216, 9648, 10368, 10854, 11064, 12447, 12864, 13824, 14472, 14752, 16596, 17152, 19296, 20736, 21708, 22128, 24894, 25728, 27648, 28944, 29504, 30887, 33192, 34304, 37341, 38592, 41472, 43416, 44256, 49788, 51456, 57888, 59008, 61774, 66384, 68608, 74682, 77184, 82944, 86832, 88512, 92661, 99576, 102912, 115776, 118016, 123548, 132768, 149364, 154368, 173664, 177024, 185322, 199152, 205824, 231552, 236032, 247096, 265536, 277983, 298728, 308736, 347328, 354048, 370644, 398304, 463104, 472064, 494192, 531072, 555966, 597456, 617472, 694656, 708096, 741288, 796608, 833949, 926208, 988384, 1062144, 1111932, 1194912, 1389312, 1416192, 1482576, 1593216, 1667898, 1852416, 1976768, 2124288, 2223864, 2389824, 2501847, 2778624, 2965152, 3186432, 3335796, 3953536, 4248576, 4447728, 4779648, 5003694, 5557248, 5930304, 6372864, 6671592, 7907072, 8895456, 9559296, 10007388, 11860608, 12745728, 13343184, 15814144, 17790912, 19118592, 20014776, 23721216, 26686368, 31628288, 35581824, 38237184, 40029552, 47442432, 53372736, 71163648, 80059104, 94884864, 106745472, 142327296, 160118208, 213490944, 284654592, 320236416, 426981888, 640472832, 853963776, 1280945664, 2561891328]

約数ペア:

[(1, 2561891328), (2, 1280945664), (3, 853963776), (4, 640472832), (6, 426981888), (8, 320236416), (9, 284654592), (12, 213490944), (16, 160118208), (18, 142327296), (24, 106745472), (27, 94884864), (32, 80059104), (36, 71163648), (48, 53372736), (54, 47442432), (64, 40029552), (67, 38237184), (72, 35581824), (81, 31628288), (96, 26686368), (108, 23721216), (128, 20014776), (134, 19118592), (144, 17790912), (162, 15814144), (192, 13343184), (201, 12745728), (216, 11860608), (256, 10007388), (268, 9559296), (288, 8895456), (324, 7907072), (384, 6671592), (402, 6372864), (432, 5930304), (461, 5557248), (512, 5003694), (536, 4779648), (576, 4447728), (603, 4248576), (648, 3953536), (768, 3335796), (804, 3186432), (864, 2965152), (922, 2778624), (1024, 2501847), (1072, 2389824), (1152, 2223864), (1206, 2124288), (1296, 1976768), (1383, 1852416), (1536, 1667898), (1608, 1593216), (1728, 1482576), (1809, 1416192), (1844, 1389312), (2144, 1194912), (2304, 1111932), (2412, 1062144), (2592, 988384), (2766, 926208), (3072, 833949), (3216, 796608), (3456, 741288), (3618, 708096), (3688, 694656), (4149, 617472), (4288, 597456), (4608, 555966), (4824, 531072), (5184, 494192), (5427, 472064), (5532, 463104), (6432, 398304), (6912, 370644), (7236, 354048), (7376, 347328), (8298, 308736), (8576, 298728), (9216, 277983), (9648, 265536), (10368, 247096), (10854, 236032), (11064, 231552), (12447, 205824), (12864, 199152), (13824, 185322), (14472, 177024), (14752, 173664), (16596, 154368), (17152, 149364), (19296, 132768), (20736, 123548), (21708, 118016), (22128, 115776), (24894, 102912), (25728, 99576), (27648, 92661), (28944, 88512), (29504, 86832), (30887, 82944), (33192, 77184), (34304, 74682), (37341, 68608), (38592, 66384), (41472, 61774), (43416, 59008), (44256, 57888), (49788, 51456)]