320667648

素因数分解:

$2^{16}\times 3^1\times 7^1\times {\mathrm{233}}^1$

素因数の和:275

約数の個数: 136

約数和(自身を含む): 981459648

約数和(自身を除く): 660792000

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 128, 168, 192, 224, 233, 256, 336, 384, 448, 466, 512, 672, 699, 768, 896, 932, 1024, 1344, 1398, 1536, 1631, 1792, 1864, 2048, 2688, 2796, 3072, 3262, 3584, 3728, 4096, 4893, 5376, 5592, 6144, 6524, 7168, 7456, 8192, 9786, 10752, 11184, 12288, 13048, 14336, 14912, 16384, 19572, 21504, 22368, 24576, 26096, 28672, 29824, 32768, 39144, 43008, 44736, 49152, 52192, 57344, 59648, 65536, 78288, 86016, 89472, 98304, 104384, 114688, 119296, 156576, 172032, 178944, 196608, 208768, 229376, 238592, 313152, 344064, 357888, 417536, 458752, 477184, 626304, 688128, 715776, 835072, 954368, 1252608, 1376256, 1431552, 1670144, 1908736, 2505216, 2863104, 3340288, 3817472, 5010432, 5726208, 6680576, 7634944, 10020864, 11452416, 13361152, 15269888, 20041728, 22904832, 26722304, 40083456, 45809664, 53444608, 80166912, 106889216, 160333824, 320667648]

約数ペア:

[(1, 320667648), (2, 160333824), (3, 106889216), (4, 80166912), (6, 53444608), (7, 45809664), (8, 40083456), (12, 26722304), (14, 22904832), (16, 20041728), (21, 15269888), (24, 13361152), (28, 11452416), (32, 10020864), (42, 7634944), (48, 6680576), (56, 5726208), (64, 5010432), (84, 3817472), (96, 3340288), (112, 2863104), (128, 2505216), (168, 1908736), (192, 1670144), (224, 1431552), (233, 1376256), (256, 1252608), (336, 954368), (384, 835072), (448, 715776), (466, 688128), (512, 626304), (672, 477184), (699, 458752), (768, 417536), (896, 357888), (932, 344064), (1024, 313152), (1344, 238592), (1398, 229376), (1536, 208768), (1631, 196608), (1792, 178944), (1864, 172032), (2048, 156576), (2688, 119296), (2796, 114688), (3072, 104384), (3262, 98304), (3584, 89472), (3728, 86016), (4096, 78288), (4893, 65536), (5376, 59648), (5592, 57344), (6144, 52192), (6524, 49152), (7168, 44736), (7456, 43008), (8192, 39144), (9786, 32768), (10752, 29824), (11184, 28672), (12288, 26096), (13048, 24576), (14336, 22368), (14912, 21504), (16384, 19572)]