680938720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2909}}^1$

素因数の和:2961

約数の個数: 192

約数和(自身を含む): 2111961600

約数和(自身を除く): 1431022880

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 19, 20, 22, 28, 32, 35, 38, 40, 44, 55, 56, 70, 76, 77, 80, 88, 95, 110, 112, 133, 140, 152, 154, 160, 176, 190, 209, 220, 224, 266, 280, 304, 308, 352, 380, 385, 418, 440, 532, 560, 608, 616, 665, 760, 770, 836, 880, 1045, 1064, 1120, 1232, 1330, 1463, 1520, 1540, 1672, 1760, 2090, 2128, 2464, 2660, 2909, 2926, 3040, 3080, 3344, 4180, 4256, 5320, 5818, 5852, 6160, 6688, 7315, 8360, 10640, 11636, 11704, 12320, 14545, 14630, 16720, 20363, 21280, 23272, 23408, 29090, 29260, 31999, 33440, 40726, 46544, 46816, 55271, 58180, 58520, 63998, 81452, 93088, 101815, 110542, 116360, 117040, 127996, 159995, 162904, 203630, 221084, 223993, 232720, 234080, 255992, 276355, 319990, 325808, 386897, 407260, 442168, 447986, 465440, 511984, 552710, 607981, 639980, 651616, 773794, 814520, 884336, 895972, 1023968, 1105420, 1119965, 1215962, 1279960, 1547588, 1629040, 1768672, 1791944, 1934485, 2210840, 2239930, 2431924, 2559920, 3039905, 3095176, 3258080, 3583888, 3868970, 4255867, 4421680, 4479860, 4863848, 5119840, 6079810, 6190352, 7167776, 7737940, 8511734, 8843360, 8959720, 9727696, 12159620, 12380704, 15475880, 17023468, 17919440, 19455392, 21279335, 24319240, 30951760, 34046936, 35838880, 42558670, 48638480, 61903520, 68093872, 85117340, 97276960, 136187744, 170234680, 340469360, 680938720]

約数ペア:

[(1, 680938720), (2, 340469360), (4, 170234680), (5, 136187744), (7, 97276960), (8, 85117340), (10, 68093872), (11, 61903520), (14, 48638480), (16, 42558670), (19, 35838880), (20, 34046936), (22, 30951760), (28, 24319240), (32, 21279335), (35, 19455392), (38, 17919440), (40, 17023468), (44, 15475880), (55, 12380704), (56, 12159620), (70, 9727696), (76, 8959720), (77, 8843360), (80, 8511734), (88, 7737940), (95, 7167776), (110, 6190352), (112, 6079810), (133, 5119840), (140, 4863848), (152, 4479860), (154, 4421680), (160, 4255867), (176, 3868970), (190, 3583888), (209, 3258080), (220, 3095176), (224, 3039905), (266, 2559920), (280, 2431924), (304, 2239930), (308, 2210840), (352, 1934485), (380, 1791944), (385, 1768672), (418, 1629040), (440, 1547588), (532, 1279960), (560, 1215962), (608, 1119965), (616, 1105420), (665, 1023968), (760, 895972), (770, 884336), (836, 814520), (880, 773794), (1045, 651616), (1064, 639980), (1120, 607981), (1232, 552710), (1330, 511984), (1463, 465440), (1520, 447986), (1540, 442168), (1672, 407260), (1760, 386897), (2090, 325808), (2128, 319990), (2464, 276355), (2660, 255992), (2909, 234080), (2926, 232720), (3040, 223993), (3080, 221084), (3344, 203630), (4180, 162904), (4256, 159995), (5320, 127996), (5818, 117040), (5852, 116360), (6160, 110542), (6688, 101815), (7315, 93088), (8360, 81452), (10640, 63998), (11636, 58520), (11704, 58180), (12320, 55271), (14545, 46816), (14630, 46544), (16720, 40726), (20363, 33440), (21280, 31999), (23272, 29260), (23408, 29090)]