642491136

素因数分解:

$2^8\times 3^3\times 7^3\times {\mathrm{271}}^1$

素因数の和:317

約数の個数: 288

約数和(自身を含む): 2223872000

約数和(自身を除く): 1581380864

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 49, 54, 56, 63, 64, 72, 84, 96, 98, 108, 112, 126, 128, 144, 147, 168, 189, 192, 196, 216, 224, 252, 256, 271, 288, 294, 336, 343, 378, 384, 392, 432, 441, 448, 504, 542, 576, 588, 672, 686, 756, 768, 784, 813, 864, 882, 896, 1008, 1029, 1084, 1152, 1176, 1323, 1344, 1372, 1512, 1568, 1626, 1728, 1764, 1792, 1897, 2016, 2058, 2168, 2304, 2352, 2439, 2646, 2688, 2744, 3024, 3087, 3136, 3252, 3456, 3528, 3794, 4032, 4116, 4336, 4704, 4878, 5292, 5376, 5488, 5691, 6048, 6174, 6272, 6504, 6912, 7056, 7317, 7588, 8064, 8232, 8672, 9261, 9408, 9756, 10584, 10976, 11382, 12096, 12348, 12544, 13008, 13279, 14112, 14634, 15176, 16128, 16464, 17073, 17344, 18522, 18816, 19512, 21168, 21952, 22764, 24192, 24696, 26016, 26558, 28224, 29268, 30352, 32928, 34146, 34688, 37044, 37632, 39024, 39837, 42336, 43904, 45528, 48384, 49392, 51219, 52032, 53116, 56448, 58536, 60704, 65856, 68292, 69376, 74088, 78048, 79674, 84672, 87808, 91056, 92953, 98784, 102438, 104064, 106232, 112896, 117072, 119511, 121408, 131712, 136584, 148176, 156096, 159348, 169344, 182112, 185906, 197568, 204876, 208128, 212464, 234144, 239022, 242816, 263424, 273168, 278859, 296352, 312192, 318696, 338688, 358533, 364224, 371812, 395136, 409752, 424928, 468288, 478044, 485632, 546336, 557718, 592704, 624384, 637392, 717066, 728448, 743624, 790272, 819504, 836577, 849856, 936576, 956088, 1092672, 1115436, 1185408, 1274784, 1434132, 1456896, 1487248, 1639008, 1673154, 1699712, 1873152, 1912176, 2185344, 2230872, 2370816, 2509731, 2549568, 2868264, 2974496, 3278016, 3346308, 3399424, 3824352, 4370688, 4461744, 5019462, 5099136, 5736528, 5948992, 6556032, 6692616, 7648704, 8923488, 10038924, 10198272, 11473056, 11897984, 13112064, 13385232, 15297408, 17846976, 20077848, 22946112, 23795968, 26770464, 30594816, 35693952, 40155696, 45892224, 53540928, 71387904, 80311392, 91784448, 107081856, 160622784, 214163712, 321245568, 642491136]

約数ペア:

[(1, 642491136), (2, 321245568), (3, 214163712), (4, 160622784), (6, 107081856), (7, 91784448), (8, 80311392), (9, 71387904), (12, 53540928), (14, 45892224), (16, 40155696), (18, 35693952), (21, 30594816), (24, 26770464), (27, 23795968), (28, 22946112), (32, 20077848), (36, 17846976), (42, 15297408), (48, 13385232), (49, 13112064), (54, 11897984), (56, 11473056), (63, 10198272), (64, 10038924), (72, 8923488), (84, 7648704), (96, 6692616), (98, 6556032), (108, 5948992), (112, 5736528), (126, 5099136), (128, 5019462), (144, 4461744), (147, 4370688), (168, 3824352), (189, 3399424), (192, 3346308), (196, 3278016), (216, 2974496), (224, 2868264), (252, 2549568), (256, 2509731), (271, 2370816), (288, 2230872), (294, 2185344), (336, 1912176), (343, 1873152), (378, 1699712), (384, 1673154), (392, 1639008), (432, 1487248), (441, 1456896), (448, 1434132), (504, 1274784), (542, 1185408), (576, 1115436), (588, 1092672), (672, 956088), (686, 936576), (756, 849856), (768, 836577), (784, 819504), (813, 790272), (864, 743624), (882, 728448), (896, 717066), (1008, 637392), (1029, 624384), (1084, 592704), (1152, 557718), (1176, 546336), (1323, 485632), (1344, 478044), (1372, 468288), (1512, 424928), (1568, 409752), (1626, 395136), (1728, 371812), (1764, 364224), (1792, 358533), (1897, 338688), (2016, 318696), (2058, 312192), (2168, 296352), (2304, 278859), (2352, 273168), (2439, 263424), (2646, 242816), (2688, 239022), (2744, 234144), (3024, 212464), (3087, 208128), (3136, 204876), (3252, 197568), (3456, 185906), (3528, 182112), (3794, 169344), (4032, 159348), (4116, 156096), (4336, 148176), (4704, 136584), (4878, 131712), (5292, 121408), (5376, 119511), (5488, 117072), (5691, 112896), (6048, 106232), (6174, 104064), (6272, 102438), (6504, 98784), (6912, 92953), (7056, 91056), (7317, 87808), (7588, 84672), (8064, 79674), (8232, 78048), (8672, 74088), (9261, 69376), (9408, 68292), (9756, 65856), (10584, 60704), (10976, 58536), (11382, 56448), (12096, 53116), (12348, 52032), (12544, 51219), (13008, 49392), (13279, 48384), (14112, 45528), (14634, 43904), (15176, 42336), (16128, 39837), (16464, 39024), (17073, 37632), (17344, 37044), (18522, 34688), (18816, 34146), (19512, 32928), (21168, 30352), (21952, 29268), (22764, 28224), (24192, 26558), (24696, 26016)]