639338544

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{479}}^1$

素因数の和:560

約数の個数: 240

約数和(自身を含む): 2079866880

約数和(自身を除く): 1440528336

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 23, 24, 26, 31, 36, 39, 46, 48, 52, 62, 69, 72, 78, 92, 93, 104, 117, 124, 138, 144, 156, 184, 186, 207, 208, 234, 248, 276, 279, 299, 312, 368, 372, 403, 414, 468, 479, 496, 552, 558, 598, 624, 713, 744, 806, 828, 897, 936, 958, 1104, 1116, 1196, 1209, 1426, 1437, 1488, 1612, 1656, 1794, 1872, 1916, 2139, 2232, 2392, 2418, 2691, 2852, 2874, 3224, 3312, 3588, 3627, 3832, 4278, 4311, 4464, 4784, 4836, 5382, 5704, 5748, 6227, 6417, 6448, 7176, 7254, 7664, 8556, 8622, 9269, 9672, 10764, 11017, 11408, 11496, 12454, 12834, 14352, 14508, 14849, 17112, 17244, 18538, 18681, 19344, 21528, 22034, 22992, 24908, 25668, 27807, 29016, 29698, 33051, 34224, 34488, 37076, 37362, 43056, 44068, 44547, 49816, 51336, 55614, 56043, 58032, 59396, 66102, 68976, 74152, 74724, 83421, 88136, 89094, 99153, 99632, 102672, 111228, 112086, 118792, 132204, 133641, 143221, 148304, 149448, 166842, 176272, 178188, 193037, 198306, 222456, 224172, 237584, 264408, 267282, 286442, 298896, 333684, 341527, 356376, 386074, 396612, 429663, 444912, 448344, 528816, 534564, 572884, 579111, 667368, 683054, 712752, 772148, 793224, 859326, 896688, 1024581, 1069128, 1145768, 1158222, 1288989, 1334736, 1366108, 1544296, 1586448, 1718652, 1737333, 2049162, 2138256, 2291536, 2316444, 2577978, 2732216, 3073743, 3088592, 3437304, 3474666, 4098324, 4439851, 4632888, 5155956, 5464432, 6147486, 6874608, 6949332, 8196648, 8879702, 9265776, 10311912, 12294972, 13319553, 13898664, 16393296, 17759404, 20623824, 24589944, 26639106, 27797328, 35518808, 39958659, 49179888, 53278212, 71037616, 79917318, 106556424, 159834636, 213112848, 319669272, 639338544]

約数ペア:

[(1, 639338544), (2, 319669272), (3, 213112848), (4, 159834636), (6, 106556424), (8, 79917318), (9, 71037616), (12, 53278212), (13, 49179888), (16, 39958659), (18, 35518808), (23, 27797328), (24, 26639106), (26, 24589944), (31, 20623824), (36, 17759404), (39, 16393296), (46, 13898664), (48, 13319553), (52, 12294972), (62, 10311912), (69, 9265776), (72, 8879702), (78, 8196648), (92, 6949332), (93, 6874608), (104, 6147486), (117, 5464432), (124, 5155956), (138, 4632888), (144, 4439851), (156, 4098324), (184, 3474666), (186, 3437304), (207, 3088592), (208, 3073743), (234, 2732216), (248, 2577978), (276, 2316444), (279, 2291536), (299, 2138256), (312, 2049162), (368, 1737333), (372, 1718652), (403, 1586448), (414, 1544296), (468, 1366108), (479, 1334736), (496, 1288989), (552, 1158222), (558, 1145768), (598, 1069128), (624, 1024581), (713, 896688), (744, 859326), (806, 793224), (828, 772148), (897, 712752), (936, 683054), (958, 667368), (1104, 579111), (1116, 572884), (1196, 534564), (1209, 528816), (1426, 448344), (1437, 444912), (1488, 429663), (1612, 396612), (1656, 386074), (1794, 356376), (1872, 341527), (1916, 333684), (2139, 298896), (2232, 286442), (2392, 267282), (2418, 264408), (2691, 237584), (2852, 224172), (2874, 222456), (3224, 198306), (3312, 193037), (3588, 178188), (3627, 176272), (3832, 166842), (4278, 149448), (4311, 148304), (4464, 143221), (4784, 133641), (4836, 132204), (5382, 118792), (5704, 112086), (5748, 111228), (6227, 102672), (6417, 99632), (6448, 99153), (7176, 89094), (7254, 88136), (7664, 83421), (8556, 74724), (8622, 74152), (9269, 68976), (9672, 66102), (10764, 59396), (11017, 58032), (11408, 56043), (11496, 55614), (12454, 51336), (12834, 49816), (14352, 44547), (14508, 44068), (14849, 43056), (17112, 37362), (17244, 37076), (18538, 34488), (18681, 34224), (19344, 33051), (21528, 29698), (22034, 29016), (22992, 27807), (24908, 25668)]