261233280

素因数分解:

$2^7\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:93

約数の個数: 768

約数和(自身を含む): 1222041600

約数和(自身を除く): 960808320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 18, 19, 20, 21, 22, 24, 28, 30, 31, 32, 33, 35, 36, 38, 40, 42, 44, 45, 48, 55, 56, 57, 60, 62, 63, 64, 66, 70, 72, 76, 77, 80, 84, 88, 90, 93, 95, 96, 99, 105, 110, 112, 114, 120, 124, 126, 128, 132, 133, 140, 144, 152, 154, 155, 160, 165, 168, 171, 176, 180, 186, 190, 192, 198, 209, 210, 217, 220, 224, 228, 231, 240, 248, 252, 264, 266, 279, 280, 285, 288, 304, 308, 310, 315, 320, 330, 336, 341, 342, 352, 360, 372, 380, 384, 385, 396, 399, 418, 420, 434, 440, 448, 456, 462, 465, 480, 495, 496, 504, 528, 532, 558, 560, 570, 576, 589, 608, 616, 620, 627, 630, 640, 651, 660, 665, 672, 682, 684, 693, 704, 720, 744, 760, 770, 792, 798, 836, 840, 855, 868, 880, 896, 912, 924, 930, 960, 990, 992, 1008, 1023, 1045, 1056, 1064, 1085, 1116, 1120, 1140, 1152, 1155, 1178, 1197, 1216, 1232, 1240, 1254, 1260, 1302, 1320, 1330, 1344, 1364, 1368, 1386, 1395, 1408, 1440, 1463, 1488, 1520, 1540, 1584, 1596, 1672, 1680, 1705, 1710, 1736, 1760, 1767, 1824, 1848, 1860, 1881, 1920, 1953, 1980, 1984, 1995, 2016, 2046, 2090, 2112, 2128, 2170, 2232, 2240, 2280, 2310, 2356, 2387, 2394, 2432, 2464, 2480, 2508, 2520, 2604, 2640, 2660, 2688, 2728, 2736, 2772, 2790, 2880, 2926, 2945, 2976, 3040, 3069, 3080, 3135, 3168, 3192, 3255, 3344, 3360, 3410, 3420, 3465, 3472, 3520, 3534, 3648, 3696, 3720, 3762, 3906, 3960, 3968, 3990, 4032, 4092, 4123, 4180, 4224, 4256, 4340, 4389, 4464, 4480, 4560, 4620, 4712, 4774, 4788, 4928, 4960, 5016, 5040, 5115, 5208, 5280, 5301, 5320, 5456, 5472, 5544, 5580, 5760, 5852, 5890, 5952, 5985, 6080, 6138, 6160, 6270, 6336, 6384, 6479, 6510, 6688, 6720, 6820, 6840, 6930, 6944, 7040, 7068, 7161, 7296, 7315, 7392, 7440, 7524, 7812, 7920, 7980, 8064, 8184, 8246, 8360, 8512, 8680, 8778, 8835, 8928, 9120, 9240, 9405, 9424, 9548, 9576, 9765, 9856, 9920, 10032, 10080, 10230, 10416, 10560, 10602, 10640, 10912, 10944, 11088, 11160, 11704, 11780, 11904, 11935, 11970, 12160, 12276, 12320, 12369, 12540, 12672, 12768, 12958, 13020, 13167, 13376, 13440, 13640, 13680, 13860, 13888, 14136, 14322, 14630, 14784, 14880, 15048, 15345, 15624, 15840, 15960, 16368, 16492, 16720, 17024, 17360, 17556, 17670, 17856, 18240, 18480, 18810, 18848, 19096, 19152, 19437, 19530, 19840, 20064, 20160, 20460, 20615, 20832, 21120, 21204, 21280, 21483, 21824, 21888, 21945, 22176, 22320, 23408, 23560, 23870, 23940, 24552, 24640, 24738, 25080, 25536, 25916, 26040, 26334, 26505, 26752, 27280, 27360, 27720, 27776, 28272, 28644, 29260, 29568, 29760, 30096, 30690, 31248, 31680, 31920, 32395, 32736, 32984, 33440, 34720, 35112, 35340, 35712, 35805, 36480, 36960, 37107, 37620, 37696, 38192, 38304, 38874, 39060, 40128, 40320, 40920, 41230, 41664, 42408, 42560, 42966, 43648, 43890, 44352, 44640, 45353, 46816, 47120, 47740, 47880, 49104, 49280, 49476, 50160, 51072, 51832, 52080, 52668, 53010, 54560, 54720, 55440, 56544, 57288, 58311, 58520, 59520, 60192, 61380, 61845, 62496, 63360, 63840, 64790, 65472, 65835, 65968, 66880, 69440, 70224, 70680, 71610, 73920, 74214, 75240, 75392, 76384, 76608, 77748, 78120, 80256, 81840, 82460, 83328, 84816, 85120, 85932, 87780, 88704, 89280, 90706, 93632, 94240, 95480, 95760, 97185, 98208, 98952, 100320, 103664, 104160, 105336, 106020, 107415, 109120, 109440, 110880, 113088, 114576, 116622, 117040, 120384, 122760, 123690, 124992, 127680, 129580, 130944, 131670, 131936, 133760, 136059, 138880, 140448, 141360, 143220, 147840, 148428, 150480, 152768, 153216, 155496, 156240, 163680, 164920, 169632, 171864, 175560, 178560, 181412, 185535, 187264, 188480, 190960, 191520, 194370, 196416, 197904, 200640, 207328, 208320, 210672, 212040, 214830, 218240, 221760, 226176, 226765, 229152, 233244, 234080, 240768, 245520, 247380, 249984, 255360, 259160, 263340, 263872, 272118, 280896, 282720, 286440, 291555, 296856, 300960, 305536, 310992, 312480, 327360, 329840, 339264, 343728, 351120, 362824, 371070, 376960, 381920, 383040, 388740, 392832, 395808, 401280, 408177, 414656, 416640, 421344, 424080, 429660, 443520, 453530, 458304, 466488, 468160, 491040, 494760, 518320, 526680, 527744, 544236, 561792, 565440, 572880, 583110, 593712, 601920, 621984, 624960, 654720, 659680, 678528, 680295, 687456, 702240, 725648, 742140, 763840, 766080, 777480, 791616, 816354, 829312, 842688, 848160, 859320, 907060, 916608, 932976, 936320, 982080, 989520, 1036640, 1053360, 1088472, 1130880, 1145760, 1166220, 1187424, 1203840, 1243968, 1249920, 1319360, 1360590, 1374912, 1404480, 1451296, 1484280, 1527680, 1554960, 1583232, 1632708, 1685376, 1696320, 1718640, 1814120, 1865952, 1964160, 1979040, 2040885, 2073280, 2106720, 2176944, 2291520, 2332440, 2374848, 2487936, 2638720, 2721180, 2749824, 2808960, 2902592, 2968560, 3109920, 3265416, 3392640, 3437280, 3628240, 3731904, 3958080, 4081770, 4146560, 4213440, 4353888, 4583040, 4664880, 4749696, 5442360, 5805184, 5937120, 6219840, 6530832, 6874560, 7256480, 7463808, 7916160, 8163540, 8426880, 8707776, 9329760, 10884720, 11874240, 12439680, 13061664, 13749120, 14512960, 16327080, 17415552, 18659520, 21769440, 23748480, 26123328, 29025920, 32654160, 37319040, 43538880, 52246656, 65308320, 87077760, 130616640, 261233280]

約数ペア:

[(1, 261233280), (2, 130616640), (3, 87077760), (4, 65308320), (5, 52246656), (6, 43538880), (7, 37319040), (8, 32654160), (9, 29025920), (10, 26123328), (11, 23748480), (12, 21769440), (14, 18659520), (15, 17415552), (16, 16327080), (18, 14512960), (19, 13749120), (20, 13061664), (21, 12439680), (22, 11874240), (24, 10884720), (28, 9329760), (30, 8707776), (31, 8426880), (32, 8163540), (33, 7916160), (35, 7463808), (36, 7256480), (38, 6874560), (40, 6530832), (42, 6219840), (44, 5937120), (45, 5805184), (48, 5442360), (55, 4749696), (56, 4664880), (57, 4583040), (60, 4353888), (62, 4213440), (63, 4146560), (64, 4081770), (66, 3958080), (70, 3731904), (72, 3628240), (76, 3437280), (77, 3392640), (80, 3265416), (84, 3109920), (88, 2968560), (90, 2902592), (93, 2808960), (95, 2749824), (96, 2721180), (99, 2638720), (105, 2487936), (110, 2374848), (112, 2332440), (114, 2291520), (120, 2176944), (124, 2106720), (126, 2073280), (128, 2040885), (132, 1979040), (133, 1964160), (140, 1865952), (144, 1814120), (152, 1718640), (154, 1696320), (155, 1685376), (160, 1632708), (165, 1583232), (168, 1554960), (171, 1527680), (176, 1484280), (180, 1451296), (186, 1404480), (190, 1374912), (192, 1360590), (198, 1319360), (209, 1249920), (210, 1243968), (217, 1203840), (220, 1187424), (224, 1166220), (228, 1145760), (231, 1130880), (240, 1088472), (248, 1053360), (252, 1036640), (264, 989520), (266, 982080), (279, 936320), (280, 932976), (285, 916608), (288, 907060), (304, 859320), (308, 848160), (310, 842688), (315, 829312), (320, 816354), (330, 791616), (336, 777480), (341, 766080), (342, 763840), (352, 742140), (360, 725648), (372, 702240), (380, 687456), (384, 680295), (385, 678528), (396, 659680), (399, 654720), (418, 624960), (420, 621984), (434, 601920), (440, 593712), (448, 583110), (456, 572880), (462, 565440), (465, 561792), (480, 544236), (495, 527744), (496, 526680), (504, 518320), (528, 494760), (532, 491040), (558, 468160), (560, 466488), (570, 458304), (576, 453530), (589, 443520), (608, 429660), (616, 424080), (620, 421344), (627, 416640), (630, 414656), (640, 408177), (651, 401280), (660, 395808), (665, 392832), (672, 388740), (682, 383040), (684, 381920), (693, 376960), (704, 371070), (720, 362824), (744, 351120), (760, 343728), (770, 339264), (792, 329840), (798, 327360), (836, 312480), (840, 310992), (855, 305536), (868, 300960), (880, 296856), (896, 291555), (912, 286440), (924, 282720), (930, 280896), (960, 272118), (990, 263872), (992, 263340), (1008, 259160), (1023, 255360), (1045, 249984), (1056, 247380), (1064, 245520), (1085, 240768), (1116, 234080), (1120, 233244), (1140, 229152), (1152, 226765), (1155, 226176), (1178, 221760), (1197, 218240), (1216, 214830), (1232, 212040), (1240, 210672), (1254, 208320), (1260, 207328), (1302, 200640), (1320, 197904), (1330, 196416), (1344, 194370), (1364, 191520), (1368, 190960), (1386, 188480), (1395, 187264), (1408, 185535), (1440, 181412), (1463, 178560), (1488, 175560), (1520, 171864), (1540, 169632), (1584, 164920), (1596, 163680), (1672, 156240), (1680, 155496), (1705, 153216), (1710, 152768), (1736, 150480), (1760, 148428), (1767, 147840), (1824, 143220), (1848, 141360), (1860, 140448), (1881, 138880), (1920, 136059), (1953, 133760), (1980, 131936), (1984, 131670), (1995, 130944), (2016, 129580), (2046, 127680), (2090, 124992), (2112, 123690), (2128, 122760), (2170, 120384), (2232, 117040), (2240, 116622), (2280, 114576), (2310, 113088), (2356, 110880), (2387, 109440), (2394, 109120), (2432, 107415), (2464, 106020), (2480, 105336), (2508, 104160), (2520, 103664), (2604, 100320), (2640, 98952), (2660, 98208), (2688, 97185), (2728, 95760), (2736, 95480), (2772, 94240), (2790, 93632), (2880, 90706), (2926, 89280), (2945, 88704), (2976, 87780), (3040, 85932), (3069, 85120), (3080, 84816), (3135, 83328), (3168, 82460), (3192, 81840), (3255, 80256), (3344, 78120), (3360, 77748), (3410, 76608), (3420, 76384), (3465, 75392), (3472, 75240), (3520, 74214), (3534, 73920), (3648, 71610), (3696, 70680), (3720, 70224), (3762, 69440), (3906, 66880), (3960, 65968), (3968, 65835), (3990, 65472), (4032, 64790), (4092, 63840), (4123, 63360), (4180, 62496), (4224, 61845), (4256, 61380), (4340, 60192), (4389, 59520), (4464, 58520), (4480, 58311), (4560, 57288), (4620, 56544), (4712, 55440), (4774, 54720), (4788, 54560), (4928, 53010), (4960, 52668), (5016, 52080), (5040, 51832), (5115, 51072), (5208, 50160), (5280, 49476), (5301, 49280), (5320, 49104), (5456, 47880), (5472, 47740), (5544, 47120), (5580, 46816), (5760, 45353), (5852, 44640), (5890, 44352), (5952, 43890), (5985, 43648), (6080, 42966), (6138, 42560), (6160, 42408), (6270, 41664), (6336, 41230), (6384, 40920), (6479, 40320), (6510, 40128), (6688, 39060), (6720, 38874), (6820, 38304), (6840, 38192), (6930, 37696), (6944, 37620), (7040, 37107), (7068, 36960), (7161, 36480), (7296, 35805), (7315, 35712), (7392, 35340), (7440, 35112), (7524, 34720), (7812, 33440), (7920, 32984), (7980, 32736), (8064, 32395), (8184, 31920), (8246, 31680), (8360, 31248), (8512, 30690), (8680, 30096), (8778, 29760), (8835, 29568), (8928, 29260), (9120, 28644), (9240, 28272), (9405, 27776), (9424, 27720), (9548, 27360), (9576, 27280), (9765, 26752), (9856, 26505), (9920, 26334), (10032, 26040), (10080, 25916), (10230, 25536), (10416, 25080), (10560, 24738), (10602, 24640), (10640, 24552), (10912, 23940), (10944, 23870), (11088, 23560), (11160, 23408), (11704, 22320), (11780, 22176), (11904, 21945), (11935, 21888), (11970, 21824), (12160, 21483), (12276, 21280), (12320, 21204), (12369, 21120), (12540, 20832), (12672, 20615), (12768, 20460), (12958, 20160), (13020, 20064), (13167, 19840), (13376, 19530), (13440, 19437), (13640, 19152), (13680, 19096), (13860, 18848), (13888, 18810), (14136, 18480), (14322, 18240), (14630, 17856), (14784, 17670), (14880, 17556), (15048, 17360), (15345, 17024), (15624, 16720), (15840, 16492), (15960, 16368)]