656859840

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1$

素因数の和:216

約数の個数: 448

約数和(自身を含む): 2627229696

約数和(自身を除く): 1970369856

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 32, 35, 39, 40, 42, 48, 52, 56, 60, 64, 65, 70, 73, 78, 80, 84, 91, 96, 103, 104, 105, 112, 120, 130, 140, 146, 156, 160, 168, 182, 192, 195, 206, 208, 210, 219, 224, 240, 260, 273, 280, 292, 309, 312, 320, 336, 364, 365, 390, 412, 416, 420, 438, 448, 455, 480, 511, 515, 520, 546, 560, 584, 618, 624, 672, 721, 728, 730, 780, 824, 832, 840, 876, 910, 949, 960, 1022, 1030, 1040, 1092, 1095, 1120, 1168, 1236, 1248, 1339, 1344, 1365, 1442, 1456, 1460, 1533, 1545, 1560, 1648, 1680, 1752, 1820, 1898, 2044, 2060, 2080, 2163, 2184, 2190, 2240, 2336, 2472, 2496, 2555, 2678, 2730, 2847, 2884, 2912, 2920, 3066, 3090, 3120, 3296, 3360, 3504, 3605, 3640, 3796, 4017, 4088, 4120, 4160, 4326, 4368, 4380, 4672, 4745, 4944, 5110, 5356, 5460, 5694, 5768, 5824, 5840, 6132, 6180, 6240, 6592, 6643, 6695, 6720, 7008, 7210, 7280, 7519, 7592, 7665, 8034, 8176, 8240, 8652, 8736, 8760, 9373, 9490, 9888, 10220, 10712, 10815, 10920, 11388, 11536, 11680, 12264, 12360, 12480, 13286, 13390, 14016, 14235, 14420, 14560, 15038, 15184, 15330, 16068, 16352, 16480, 17304, 17472, 17520, 18746, 18980, 19776, 19929, 20085, 20440, 21424, 21630, 21840, 22557, 22776, 23072, 23360, 24528, 24720, 26572, 26780, 28119, 28470, 28840, 29120, 30076, 30368, 30660, 32136, 32704, 32960, 33215, 34608, 35040, 37492, 37595, 37960, 39858, 40170, 40880, 42848, 43260, 43680, 45114, 45552, 46144, 46865, 49056, 49440, 52633, 53144, 53560, 56238, 56940, 57680, 60152, 60736, 61320, 64272, 66430, 69216, 70080, 74984, 75190, 75920, 79716, 80340, 81760, 85696, 86520, 87360, 90228, 91104, 93730, 97747, 98112, 98880, 99645, 105266, 106288, 107120, 112476, 112785, 113880, 115360, 120304, 122640, 128544, 132860, 138432, 140595, 149968, 150380, 151840, 157899, 159432, 160680, 163520, 173040, 180456, 182208, 187460, 195494, 199290, 210532, 212576, 214240, 224952, 225570, 227760, 230720, 240608, 245280, 257088, 263165, 265720, 281190, 293241, 299936, 300760, 303680, 315798, 318864, 321360, 346080, 360912, 374920, 390988, 398580, 421064, 425152, 428480, 449904, 451140, 455520, 481216, 488735, 490560, 526330, 531440, 562380, 586482, 599872, 601520, 631596, 637728, 642720, 684229, 692160, 721824, 749840, 781976, 789495, 797160, 842128, 899808, 902280, 911040, 977470, 1052660, 1062880, 1124760, 1172964, 1203040, 1263192, 1275456, 1285440, 1368458, 1443648, 1466205, 1499680, 1563952, 1578990, 1594320, 1684256, 1799616, 1804560, 1954940, 2052687, 2105320, 2125760, 2249520, 2345928, 2406080, 2526384, 2736916, 2932410, 2999360, 3127904, 3157980, 3188640, 3368512, 3421145, 3609120, 3909880, 4105374, 4210640, 4499040, 4691856, 5052768, 5473832, 5864820, 6255808, 6315960, 6377280, 6842290, 7218240, 7819760, 8210748, 8421280, 8998080, 9383712, 10105536, 10263435, 10947664, 11729640, 12631920, 13684580, 15639520, 16421496, 16842560, 18767424, 20526870, 21895328, 23459280, 25263840, 27369160, 31279040, 32842992, 41053740, 43790656, 46918560, 50527680, 54738320, 65685984, 82107480, 93837120, 109476640, 131371968, 164214960, 218953280, 328429920, 656859840]

約数ペア:

[(1, 656859840), (2, 328429920), (3, 218953280), (4, 164214960), (5, 131371968), (6, 109476640), (7, 93837120), (8, 82107480), (10, 65685984), (12, 54738320), (13, 50527680), (14, 46918560), (15, 43790656), (16, 41053740), (20, 32842992), (21, 31279040), (24, 27369160), (26, 25263840), (28, 23459280), (30, 21895328), (32, 20526870), (35, 18767424), (39, 16842560), (40, 16421496), (42, 15639520), (48, 13684580), (52, 12631920), (56, 11729640), (60, 10947664), (64, 10263435), (65, 10105536), (70, 9383712), (73, 8998080), (78, 8421280), (80, 8210748), (84, 7819760), (91, 7218240), (96, 6842290), (103, 6377280), (104, 6315960), (105, 6255808), (112, 5864820), (120, 5473832), (130, 5052768), (140, 4691856), (146, 4499040), (156, 4210640), (160, 4105374), (168, 3909880), (182, 3609120), (192, 3421145), (195, 3368512), (206, 3188640), (208, 3157980), (210, 3127904), (219, 2999360), (224, 2932410), (240, 2736916), (260, 2526384), (273, 2406080), (280, 2345928), (292, 2249520), (309, 2125760), (312, 2105320), (320, 2052687), (336, 1954940), (364, 1804560), (365, 1799616), (390, 1684256), (412, 1594320), (416, 1578990), (420, 1563952), (438, 1499680), (448, 1466205), (455, 1443648), (480, 1368458), (511, 1285440), (515, 1275456), (520, 1263192), (546, 1203040), (560, 1172964), (584, 1124760), (618, 1062880), (624, 1052660), (672, 977470), (721, 911040), (728, 902280), (730, 899808), (780, 842128), (824, 797160), (832, 789495), (840, 781976), (876, 749840), (910, 721824), (949, 692160), (960, 684229), (1022, 642720), (1030, 637728), (1040, 631596), (1092, 601520), (1095, 599872), (1120, 586482), (1168, 562380), (1236, 531440), (1248, 526330), (1339, 490560), (1344, 488735), (1365, 481216), (1442, 455520), (1456, 451140), (1460, 449904), (1533, 428480), (1545, 425152), (1560, 421064), (1648, 398580), (1680, 390988), (1752, 374920), (1820, 360912), (1898, 346080), (2044, 321360), (2060, 318864), (2080, 315798), (2163, 303680), (2184, 300760), (2190, 299936), (2240, 293241), (2336, 281190), (2472, 265720), (2496, 263165), (2555, 257088), (2678, 245280), (2730, 240608), (2847, 230720), (2884, 227760), (2912, 225570), (2920, 224952), (3066, 214240), (3090, 212576), (3120, 210532), (3296, 199290), (3360, 195494), (3504, 187460), (3605, 182208), (3640, 180456), (3796, 173040), (4017, 163520), (4088, 160680), (4120, 159432), (4160, 157899), (4326, 151840), (4368, 150380), (4380, 149968), (4672, 140595), (4745, 138432), (4944, 132860), (5110, 128544), (5356, 122640), (5460, 120304), (5694, 115360), (5768, 113880), (5824, 112785), (5840, 112476), (6132, 107120), (6180, 106288), (6240, 105266), (6592, 99645), (6643, 98880), (6695, 98112), (6720, 97747), (7008, 93730), (7210, 91104), (7280, 90228), (7519, 87360), (7592, 86520), (7665, 85696), (8034, 81760), (8176, 80340), (8240, 79716), (8652, 75920), (8736, 75190), (8760, 74984), (9373, 70080), (9490, 69216), (9888, 66430), (10220, 64272), (10712, 61320), (10815, 60736), (10920, 60152), (11388, 57680), (11536, 56940), (11680, 56238), (12264, 53560), (12360, 53144), (12480, 52633), (13286, 49440), (13390, 49056), (14016, 46865), (14235, 46144), (14420, 45552), (14560, 45114), (15038, 43680), (15184, 43260), (15330, 42848), (16068, 40880), (16352, 40170), (16480, 39858), (17304, 37960), (17472, 37595), (17520, 37492), (18746, 35040), (18980, 34608), (19776, 33215), (19929, 32960), (20085, 32704), (20440, 32136), (21424, 30660), (21630, 30368), (21840, 30076), (22557, 29120), (22776, 28840), (23072, 28470), (23360, 28119), (24528, 26780), (24720, 26572)]