643657728

素因数分解:

$2^{12}\times 3^1\times 7^2\times {\mathrm{1069}}^1$

素因数の和:1110

約数の個数: 156

約数和(自身を含む): 1998276360

約数和(自身を除く): 1354618632

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 64, 84, 96, 98, 112, 128, 147, 168, 192, 196, 224, 256, 294, 336, 384, 392, 448, 512, 588, 672, 768, 784, 896, 1024, 1069, 1176, 1344, 1536, 1568, 1792, 2048, 2138, 2352, 2688, 3072, 3136, 3207, 3584, 4096, 4276, 4704, 5376, 6144, 6272, 6414, 7168, 7483, 8552, 9408, 10752, 12288, 12544, 12828, 14336, 14966, 17104, 18816, 21504, 22449, 25088, 25656, 28672, 29932, 34208, 37632, 43008, 44898, 50176, 51312, 52381, 59864, 68416, 75264, 86016, 89796, 100352, 102624, 104762, 119728, 136832, 150528, 157143, 179592, 200704, 205248, 209524, 239456, 273664, 301056, 314286, 359184, 410496, 419048, 478912, 547328, 602112, 628572, 718368, 820992, 838096, 957824, 1094656, 1257144, 1436736, 1641984, 1676192, 1915648, 2189312, 2514288, 2873472, 3283968, 3352384, 3831296, 4378624, 5028576, 5746944, 6567936, 6704768, 7662592, 10057152, 11493888, 13135872, 13409536, 15325184, 20114304, 22987776, 26819072, 30650368, 40228608, 45975552, 53638144, 80457216, 91951104, 107276288, 160914432, 214552576, 321828864, 643657728]

約数ペア:

[(1, 643657728), (2, 321828864), (3, 214552576), (4, 160914432), (6, 107276288), (7, 91951104), (8, 80457216), (12, 53638144), (14, 45975552), (16, 40228608), (21, 30650368), (24, 26819072), (28, 22987776), (32, 20114304), (42, 15325184), (48, 13409536), (49, 13135872), (56, 11493888), (64, 10057152), (84, 7662592), (96, 6704768), (98, 6567936), (112, 5746944), (128, 5028576), (147, 4378624), (168, 3831296), (192, 3352384), (196, 3283968), (224, 2873472), (256, 2514288), (294, 2189312), (336, 1915648), (384, 1676192), (392, 1641984), (448, 1436736), (512, 1257144), (588, 1094656), (672, 957824), (768, 838096), (784, 820992), (896, 718368), (1024, 628572), (1069, 602112), (1176, 547328), (1344, 478912), (1536, 419048), (1568, 410496), (1792, 359184), (2048, 314286), (2138, 301056), (2352, 273664), (2688, 239456), (3072, 209524), (3136, 205248), (3207, 200704), (3584, 179592), (4096, 157143), (4276, 150528), (4704, 136832), (5376, 119728), (6144, 104762), (6272, 102624), (6414, 100352), (7168, 89796), (7483, 86016), (8552, 75264), (9408, 68416), (10752, 59864), (12288, 52381), (12544, 51312), (12828, 50176), (14336, 44898), (14966, 43008), (17104, 37632), (18816, 34208), (21504, 29932), (22449, 28672), (25088, 25656)]