647707968

素因数分解:

$2^6\times 3^3\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{379}}^1$

素因数の和:466

約数の個数: 224

約数和(自身を含む): 2038502400

約数和(自身を除く): 1390794432

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 27, 32, 36, 43, 46, 48, 54, 64, 69, 72, 86, 92, 96, 108, 129, 138, 144, 172, 184, 192, 207, 216, 258, 276, 288, 344, 368, 379, 387, 414, 432, 516, 552, 576, 621, 688, 736, 758, 774, 828, 864, 989, 1032, 1104, 1137, 1161, 1242, 1376, 1472, 1516, 1548, 1656, 1728, 1978, 2064, 2208, 2274, 2322, 2484, 2752, 2967, 3032, 3096, 3312, 3411, 3956, 4128, 4416, 4548, 4644, 4968, 5934, 6064, 6192, 6624, 6822, 7912, 8256, 8717, 8901, 9096, 9288, 9936, 10233, 11868, 12128, 12384, 13248, 13644, 15824, 16297, 17434, 17802, 18192, 18576, 19872, 20466, 23736, 24256, 24768, 26151, 26703, 27288, 31648, 32594, 34868, 35604, 36384, 37152, 39744, 40932, 47472, 48891, 52302, 53406, 54576, 63296, 65188, 69736, 71208, 72768, 74304, 78453, 81864, 94944, 97782, 104604, 106812, 109152, 130376, 139472, 142416, 146673, 156906, 163728, 189888, 195564, 209208, 213624, 218304, 235359, 260752, 278944, 284832, 293346, 313812, 327456, 374831, 391128, 418416, 427248, 440019, 470718, 521504, 557888, 569664, 586692, 627624, 654912, 749662, 782256, 836832, 854496, 880038, 941436, 1043008, 1124493, 1173384, 1255248, 1499324, 1564512, 1673664, 1708992, 1760076, 1882872, 2248986, 2346768, 2510496, 2998648, 3129024, 3373479, 3520152, 3765744, 4497972, 4693536, 5020992, 5997296, 6746958, 7040304, 7531488, 8995944, 9387072, 10120437, 11994592, 13493916, 14080608, 15062976, 17991888, 20240874, 23989184, 26987832, 28161216, 35983776, 40481748, 53975664, 71967552, 80963496, 107951328, 161926992, 215902656, 323853984, 647707968]

約数ペア:

[(1, 647707968), (2, 323853984), (3, 215902656), (4, 161926992), (6, 107951328), (8, 80963496), (9, 71967552), (12, 53975664), (16, 40481748), (18, 35983776), (23, 28161216), (24, 26987832), (27, 23989184), (32, 20240874), (36, 17991888), (43, 15062976), (46, 14080608), (48, 13493916), (54, 11994592), (64, 10120437), (69, 9387072), (72, 8995944), (86, 7531488), (92, 7040304), (96, 6746958), (108, 5997296), (129, 5020992), (138, 4693536), (144, 4497972), (172, 3765744), (184, 3520152), (192, 3373479), (207, 3129024), (216, 2998648), (258, 2510496), (276, 2346768), (288, 2248986), (344, 1882872), (368, 1760076), (379, 1708992), (387, 1673664), (414, 1564512), (432, 1499324), (516, 1255248), (552, 1173384), (576, 1124493), (621, 1043008), (688, 941436), (736, 880038), (758, 854496), (774, 836832), (828, 782256), (864, 749662), (989, 654912), (1032, 627624), (1104, 586692), (1137, 569664), (1161, 557888), (1242, 521504), (1376, 470718), (1472, 440019), (1516, 427248), (1548, 418416), (1656, 391128), (1728, 374831), (1978, 327456), (2064, 313812), (2208, 293346), (2274, 284832), (2322, 278944), (2484, 260752), (2752, 235359), (2967, 218304), (3032, 213624), (3096, 209208), (3312, 195564), (3411, 189888), (3956, 163728), (4128, 156906), (4416, 146673), (4548, 142416), (4644, 139472), (4968, 130376), (5934, 109152), (6064, 106812), (6192, 104604), (6624, 97782), (6822, 94944), (7912, 81864), (8256, 78453), (8717, 74304), (8901, 72768), (9096, 71208), (9288, 69736), (9936, 65188), (10233, 63296), (11868, 54576), (12128, 53406), (12384, 52302), (13248, 48891), (13644, 47472), (15824, 40932), (16297, 39744), (17434, 37152), (17802, 36384), (18192, 35604), (18576, 34868), (19872, 32594), (20466, 31648), (23736, 27288), (24256, 26703), (24768, 26151)]