661457664

素因数分解:

$2^8\times 3^5\times 7^3\times {\mathrm{31}}^1$

素因数の和:83

約数の個数: 432

約数和(自身を含む): 2380851200

約数和(自身を除く): 1719393536

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 31, 32, 36, 42, 48, 49, 54, 56, 62, 63, 64, 72, 81, 84, 93, 96, 98, 108, 112, 124, 126, 128, 144, 147, 162, 168, 186, 189, 192, 196, 216, 217, 224, 243, 248, 252, 256, 279, 288, 294, 324, 336, 343, 372, 378, 384, 392, 432, 434, 441, 448, 486, 496, 504, 558, 567, 576, 588, 648, 651, 672, 686, 744, 756, 768, 784, 837, 864, 868, 882, 896, 972, 992, 1008, 1029, 1116, 1134, 1152, 1176, 1296, 1302, 1323, 1344, 1372, 1488, 1512, 1519, 1568, 1674, 1701, 1728, 1736, 1764, 1792, 1944, 1953, 1984, 2016, 2058, 2232, 2268, 2304, 2352, 2511, 2592, 2604, 2646, 2688, 2744, 2976, 3024, 3038, 3087, 3136, 3348, 3402, 3456, 3472, 3528, 3888, 3906, 3968, 3969, 4032, 4116, 4464, 4536, 4557, 4704, 5022, 5184, 5208, 5292, 5376, 5488, 5859, 5952, 6048, 6076, 6174, 6272, 6696, 6804, 6912, 6944, 7056, 7533, 7776, 7812, 7936, 7938, 8064, 8232, 8928, 9072, 9114, 9261, 9408, 10044, 10368, 10416, 10584, 10633, 10976, 11718, 11904, 11907, 12096, 12152, 12348, 12544, 13392, 13608, 13671, 13888, 14112, 15066, 15552, 15624, 15876, 16128, 16464, 17577, 17856, 18144, 18228, 18522, 18816, 20088, 20736, 20832, 21168, 21266, 21952, 23436, 23808, 23814, 24192, 24304, 24696, 26784, 27216, 27342, 27776, 27783, 28224, 30132, 31104, 31248, 31752, 31899, 32928, 35154, 35712, 36288, 36456, 37044, 37632, 40176, 41013, 41664, 42336, 42532, 43904, 46872, 47628, 48384, 48608, 49392, 52731, 53568, 54432, 54684, 55552, 55566, 56448, 60264, 62208, 62496, 63504, 63798, 65856, 70308, 71424, 72576, 72912, 74088, 80352, 82026, 83328, 83349, 84672, 85064, 87808, 93744, 95256, 95697, 97216, 98784, 105462, 107136, 108864, 109368, 111132, 112896, 120528, 123039, 124992, 127008, 127596, 131712, 140616, 145152, 145824, 148176, 160704, 164052, 166656, 166698, 169344, 170128, 187488, 190512, 191394, 194432, 197568, 210924, 214272, 217728, 218736, 222264, 241056, 246078, 249984, 254016, 255192, 263424, 281232, 287091, 291648, 296352, 321408, 328104, 333396, 338688, 340256, 369117, 374976, 381024, 382788, 388864, 395136, 421848, 435456, 437472, 444528, 482112, 492156, 499968, 508032, 510384, 562464, 574182, 583296, 592704, 642816, 656208, 666792, 680512, 738234, 749952, 762048, 765576, 790272, 843696, 861273, 874944, 889056, 964224, 984312, 1016064, 1020768, 1124928, 1148364, 1166592, 1185408, 1312416, 1333584, 1361024, 1476468, 1499904, 1524096, 1531152, 1687392, 1722546, 1749888, 1778112, 1928448, 1968624, 2041536, 2249856, 2296728, 2370816, 2583819, 2624832, 2667168, 2722048, 2952936, 3048192, 3062304, 3374784, 3445092, 3499776, 3556224, 3937248, 4083072, 4499712, 4593456, 5167638, 5249664, 5334336, 5905872, 6124608, 6749568, 6890184, 7112448, 7874496, 8166144, 9186912, 10335276, 10499328, 10668672, 11811744, 12249216, 13499136, 13780368, 15748992, 18373824, 20670552, 21337344, 23623488, 24498432, 27560736, 31497984, 36747648, 41341104, 47246976, 55121472, 73495296, 82682208, 94493952, 110242944, 165364416, 220485888, 330728832, 661457664]

約数ペア:

[(1, 661457664), (2, 330728832), (3, 220485888), (4, 165364416), (6, 110242944), (7, 94493952), (8, 82682208), (9, 73495296), (12, 55121472), (14, 47246976), (16, 41341104), (18, 36747648), (21, 31497984), (24, 27560736), (27, 24498432), (28, 23623488), (31, 21337344), (32, 20670552), (36, 18373824), (42, 15748992), (48, 13780368), (49, 13499136), (54, 12249216), (56, 11811744), (62, 10668672), (63, 10499328), (64, 10335276), (72, 9186912), (81, 8166144), (84, 7874496), (93, 7112448), (96, 6890184), (98, 6749568), (108, 6124608), (112, 5905872), (124, 5334336), (126, 5249664), (128, 5167638), (144, 4593456), (147, 4499712), (162, 4083072), (168, 3937248), (186, 3556224), (189, 3499776), (192, 3445092), (196, 3374784), (216, 3062304), (217, 3048192), (224, 2952936), (243, 2722048), (248, 2667168), (252, 2624832), (256, 2583819), (279, 2370816), (288, 2296728), (294, 2249856), (324, 2041536), (336, 1968624), (343, 1928448), (372, 1778112), (378, 1749888), (384, 1722546), (392, 1687392), (432, 1531152), (434, 1524096), (441, 1499904), (448, 1476468), (486, 1361024), (496, 1333584), (504, 1312416), (558, 1185408), (567, 1166592), (576, 1148364), (588, 1124928), (648, 1020768), (651, 1016064), (672, 984312), (686, 964224), (744, 889056), (756, 874944), (768, 861273), (784, 843696), (837, 790272), (864, 765576), (868, 762048), (882, 749952), (896, 738234), (972, 680512), (992, 666792), (1008, 656208), (1029, 642816), (1116, 592704), (1134, 583296), (1152, 574182), (1176, 562464), (1296, 510384), (1302, 508032), (1323, 499968), (1344, 492156), (1372, 482112), (1488, 444528), (1512, 437472), (1519, 435456), (1568, 421848), (1674, 395136), (1701, 388864), (1728, 382788), (1736, 381024), (1764, 374976), (1792, 369117), (1944, 340256), (1953, 338688), (1984, 333396), (2016, 328104), (2058, 321408), (2232, 296352), (2268, 291648), (2304, 287091), (2352, 281232), (2511, 263424), (2592, 255192), (2604, 254016), (2646, 249984), (2688, 246078), (2744, 241056), (2976, 222264), (3024, 218736), (3038, 217728), (3087, 214272), (3136, 210924), (3348, 197568), (3402, 194432), (3456, 191394), (3472, 190512), (3528, 187488), (3888, 170128), (3906, 169344), (3968, 166698), (3969, 166656), (4032, 164052), (4116, 160704), (4464, 148176), (4536, 145824), (4557, 145152), (4704, 140616), (5022, 131712), (5184, 127596), (5208, 127008), (5292, 124992), (5376, 123039), (5488, 120528), (5859, 112896), (5952, 111132), (6048, 109368), (6076, 108864), (6174, 107136), (6272, 105462), (6696, 98784), (6804, 97216), (6912, 95697), (6944, 95256), (7056, 93744), (7533, 87808), (7776, 85064), (7812, 84672), (7936, 83349), (7938, 83328), (8064, 82026), (8232, 80352), (8928, 74088), (9072, 72912), (9114, 72576), (9261, 71424), (9408, 70308), (10044, 65856), (10368, 63798), (10416, 63504), (10584, 62496), (10633, 62208), (10976, 60264), (11718, 56448), (11904, 55566), (11907, 55552), (12096, 54684), (12152, 54432), (12348, 53568), (12544, 52731), (13392, 49392), (13608, 48608), (13671, 48384), (13888, 47628), (14112, 46872), (15066, 43904), (15552, 42532), (15624, 42336), (15876, 41664), (16128, 41013), (16464, 40176), (17577, 37632), (17856, 37044), (18144, 36456), (18228, 36288), (18522, 35712), (18816, 35154), (20088, 32928), (20736, 31899), (20832, 31752), (21168, 31248), (21266, 31104), (21952, 30132), (23436, 28224), (23808, 27783), (23814, 27776), (24192, 27342), (24304, 27216), (24696, 26784)]