81680256

素因数分解:

$2^7\times 3^2\times 7^2\times {\mathrm{1447}}^1$

素因数の和:1481

約数の個数: 144

約数和(自身を含む): 273606840

約数和(自身を除く): 191926584

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 49, 56, 63, 64, 72, 84, 96, 98, 112, 126, 128, 144, 147, 168, 192, 196, 224, 252, 288, 294, 336, 384, 392, 441, 448, 504, 576, 588, 672, 784, 882, 896, 1008, 1152, 1176, 1344, 1447, 1568, 1764, 2016, 2352, 2688, 2894, 3136, 3528, 4032, 4341, 4704, 5788, 6272, 7056, 8064, 8682, 9408, 10129, 11576, 13023, 14112, 17364, 18816, 20258, 23152, 26046, 28224, 30387, 34728, 40516, 46304, 52092, 56448, 60774, 69456, 70903, 81032, 91161, 92608, 104184, 121548, 138912, 141806, 162064, 182322, 185216, 208368, 212709, 243096, 277824, 283612, 324128, 364644, 416736, 425418, 486192, 555648, 567224, 638127, 648256, 729288, 833472, 850836, 972384, 1134448, 1276254, 1296512, 1458576, 1666944, 1701672, 1944768, 2268896, 2552508, 2917152, 3403344, 3889536, 4537792, 5105016, 5834304, 6806688, 9075584, 10210032, 11668608, 13613376, 20420064, 27226752, 40840128, 81680256]

約数ペア:

[(1, 81680256), (2, 40840128), (3, 27226752), (4, 20420064), (6, 13613376), (7, 11668608), (8, 10210032), (9, 9075584), (12, 6806688), (14, 5834304), (16, 5105016), (18, 4537792), (21, 3889536), (24, 3403344), (28, 2917152), (32, 2552508), (36, 2268896), (42, 1944768), (48, 1701672), (49, 1666944), (56, 1458576), (63, 1296512), (64, 1276254), (72, 1134448), (84, 972384), (96, 850836), (98, 833472), (112, 729288), (126, 648256), (128, 638127), (144, 567224), (147, 555648), (168, 486192), (192, 425418), (196, 416736), (224, 364644), (252, 324128), (288, 283612), (294, 277824), (336, 243096), (384, 212709), (392, 208368), (441, 185216), (448, 182322), (504, 162064), (576, 141806), (588, 138912), (672, 121548), (784, 104184), (882, 92608), (896, 91161), (1008, 81032), (1152, 70903), (1176, 69456), (1344, 60774), (1447, 56448), (1568, 52092), (1764, 46304), (2016, 40516), (2352, 34728), (2688, 30387), (2894, 28224), (3136, 26046), (3528, 23152), (4032, 20258), (4341, 18816), (4704, 17364), (5788, 14112), (6272, 13023), (7056, 11576), (8064, 10129), (8682, 9408)]