639330048

素因数分解:

$2^8\times 3^2\times 7^3\times {\mathrm{809}}^1$

素因数の和:852

約数の個数: 216

約数和(自身を含む): 2152332000

約数和(自身を除く): 1513001952

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, 256, 288, 294, 336, 343, 384, 392, 441, 448, 504, 576, 588, 672, 686, 768, 784, 809, 882, 896, 1008, 1029, 1152, 1176, 1344, 1372, 1568, 1618, 1764, 1792, 2016, 2058, 2304, 2352, 2427, 2688, 2744, 3087, 3136, 3236, 3528, 4032, 4116, 4704, 4854, 5376, 5488, 5663, 6174, 6272, 6472, 7056, 7281, 8064, 8232, 9408, 9708, 10976, 11326, 12348, 12544, 12944, 14112, 14562, 16128, 16464, 16989, 18816, 19416, 21952, 22652, 24696, 25888, 28224, 29124, 32928, 33978, 37632, 38832, 39641, 43904, 45304, 49392, 50967, 51776, 56448, 58248, 65856, 67956, 77664, 79282, 87808, 90608, 98784, 101934, 103552, 112896, 116496, 118923, 131712, 135912, 155328, 158564, 181216, 197568, 203868, 207104, 232992, 237846, 263424, 271824, 277487, 310656, 317128, 356769, 362432, 395136, 407736, 465984, 475692, 543648, 554974, 621312, 634256, 713538, 724864, 790272, 815472, 832461, 931968, 951384, 1087296, 1109948, 1268512, 1427076, 1449728, 1630944, 1664922, 1863936, 1902768, 2174592, 2219896, 2497383, 2537024, 2854152, 3261888, 3329844, 3805536, 4349184, 4439792, 4994766, 5074048, 5708304, 6523776, 6659688, 7611072, 8879584, 9989532, 10148096, 11416608, 13047552, 13319376, 15222144, 17759168, 19979064, 22833216, 26638752, 30444288, 35518336, 39958128, 45666432, 53277504, 71036672, 79916256, 91332864, 106555008, 159832512, 213110016, 319665024, 639330048]

約数ペア:

[(1, 639330048), (2, 319665024), (3, 213110016), (4, 159832512), (6, 106555008), (7, 91332864), (8, 79916256), (9, 71036672), (12, 53277504), (14, 45666432), (16, 39958128), (18, 35518336), (21, 30444288), (24, 26638752), (28, 22833216), (32, 19979064), (36, 17759168), (42, 15222144), (48, 13319376), (49, 13047552), (56, 11416608), (63, 10148096), (64, 9989532), (72, 8879584), (84, 7611072), (96, 6659688), (98, 6523776), (112, 5708304), (126, 5074048), (128, 4994766), (144, 4439792), (147, 4349184), (168, 3805536), (192, 3329844), (196, 3261888), (224, 2854152), (252, 2537024), (256, 2497383), (288, 2219896), (294, 2174592), (336, 1902768), (343, 1863936), (384, 1664922), (392, 1630944), (441, 1449728), (448, 1427076), (504, 1268512), (576, 1109948), (588, 1087296), (672, 951384), (686, 931968), (768, 832461), (784, 815472), (809, 790272), (882, 724864), (896, 713538), (1008, 634256), (1029, 621312), (1152, 554974), (1176, 543648), (1344, 475692), (1372, 465984), (1568, 407736), (1618, 395136), (1764, 362432), (1792, 356769), (2016, 317128), (2058, 310656), (2304, 277487), (2352, 271824), (2427, 263424), (2688, 237846), (2744, 232992), (3087, 207104), (3136, 203868), (3236, 197568), (3528, 181216), (4032, 158564), (4116, 155328), (4704, 135912), (4854, 131712), (5376, 118923), (5488, 116496), (5663, 112896), (6174, 103552), (6272, 101934), (6472, 98784), (7056, 90608), (7281, 87808), (8064, 79282), (8232, 77664), (9408, 67956), (9708, 65856), (10976, 58248), (11326, 56448), (12348, 51776), (12544, 50967), (12944, 49392), (14112, 45304), (14562, 43904), (16128, 39641), (16464, 38832), (16989, 37632), (18816, 33978), (19416, 32928), (21952, 29124), (22652, 28224), (24696, 25888)]