128739072

素因数分解:

$2^8\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{311}}^1$

素因数の和:355

約数の個数: 216

約数和(自身を含む): 436205952

約数和(自身を除く): 307466880

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, 64, 66, 77, 84, 88, 96, 98, 112, 128, 132, 147, 154, 168, 176, 192, 196, 224, 231, 256, 264, 294, 308, 311, 336, 352, 384, 392, 448, 462, 528, 539, 588, 616, 622, 672, 704, 768, 784, 896, 924, 933, 1056, 1078, 1176, 1232, 1244, 1344, 1408, 1568, 1617, 1792, 1848, 1866, 2112, 2156, 2177, 2352, 2464, 2488, 2688, 2816, 3136, 3234, 3421, 3696, 3732, 4224, 4312, 4354, 4704, 4928, 4976, 5376, 6272, 6468, 6531, 6842, 7392, 7464, 8448, 8624, 8708, 9408, 9856, 9952, 10263, 12544, 12936, 13062, 13684, 14784, 14928, 15239, 17248, 17416, 18816, 19712, 19904, 20526, 23947, 25872, 26124, 27368, 29568, 29856, 30478, 34496, 34832, 37632, 39808, 41052, 45717, 47894, 51744, 52248, 54736, 59136, 59712, 60956, 68992, 69664, 71841, 79616, 82104, 91434, 95788, 103488, 104496, 109472, 119424, 121912, 137984, 139328, 143682, 164208, 167629, 182868, 191576, 206976, 208992, 218944, 238848, 243824, 278656, 287364, 328416, 335258, 365736, 383152, 413952, 417984, 437888, 487648, 502887, 557312, 574728, 656832, 670516, 731472, 766304, 835968, 875776, 975296, 1005774, 1149456, 1313664, 1341032, 1462944, 1532608, 1671936, 1950592, 2011548, 2298912, 2627328, 2682064, 2925888, 3065216, 3901184, 4023096, 4597824, 5364128, 5851776, 6130432, 8046192, 9195648, 10728256, 11703552, 16092384, 18391296, 21456512, 32184768, 42913024, 64369536, 128739072]

約数ペア:

[(1, 128739072), (2, 64369536), (3, 42913024), (4, 32184768), (6, 21456512), (7, 18391296), (8, 16092384), (11, 11703552), (12, 10728256), (14, 9195648), (16, 8046192), (21, 6130432), (22, 5851776), (24, 5364128), (28, 4597824), (32, 4023096), (33, 3901184), (42, 3065216), (44, 2925888), (48, 2682064), (49, 2627328), (56, 2298912), (64, 2011548), (66, 1950592), (77, 1671936), (84, 1532608), (88, 1462944), (96, 1341032), (98, 1313664), (112, 1149456), (128, 1005774), (132, 975296), (147, 875776), (154, 835968), (168, 766304), (176, 731472), (192, 670516), (196, 656832), (224, 574728), (231, 557312), (256, 502887), (264, 487648), (294, 437888), (308, 417984), (311, 413952), (336, 383152), (352, 365736), (384, 335258), (392, 328416), (448, 287364), (462, 278656), (528, 243824), (539, 238848), (588, 218944), (616, 208992), (622, 206976), (672, 191576), (704, 182868), (768, 167629), (784, 164208), (896, 143682), (924, 139328), (933, 137984), (1056, 121912), (1078, 119424), (1176, 109472), (1232, 104496), (1244, 103488), (1344, 95788), (1408, 91434), (1568, 82104), (1617, 79616), (1792, 71841), (1848, 69664), (1866, 68992), (2112, 60956), (2156, 59712), (2177, 59136), (2352, 54736), (2464, 52248), (2488, 51744), (2688, 47894), (2816, 45717), (3136, 41052), (3234, 39808), (3421, 37632), (3696, 34832), (3732, 34496), (4224, 30478), (4312, 29856), (4354, 29568), (4704, 27368), (4928, 26124), (4976, 25872), (5376, 23947), (6272, 20526), (6468, 19904), (6531, 19712), (6842, 18816), (7392, 17416), (7464, 17248), (8448, 15239), (8624, 14928), (8708, 14784), (9408, 13684), (9856, 13062), (9952, 12936), (10263, 12544)]