20717580240

素因数分解:

$2^4\times 3^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{997}}^1$

素因数の和:1080

約数の個数: 720

約数和(自身を含む): 88032222720

約数和(自身を除く): 67314642480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 28, 30, 31, 35, 36, 38, 40, 42, 45, 48, 49, 56, 57, 60, 62, 63, 70, 72, 76, 80, 84, 90, 93, 95, 98, 105, 112, 114, 120, 124, 126, 133, 140, 144, 147, 152, 155, 168, 171, 180, 186, 190, 196, 210, 217, 228, 240, 245, 248, 252, 266, 279, 280, 285, 294, 304, 310, 315, 336, 342, 360, 372, 380, 392, 399, 420, 434, 441, 456, 465, 490, 496, 504, 532, 558, 560, 570, 588, 589, 620, 630, 651, 665, 684, 720, 735, 744, 760, 784, 798, 840, 855, 868, 882, 912, 930, 931, 980, 997, 1008, 1064, 1085, 1116, 1140, 1176, 1178, 1197, 1240, 1260, 1302, 1330, 1368, 1395, 1470, 1488, 1519, 1520, 1596, 1680, 1710, 1736, 1764, 1767, 1860, 1862, 1953, 1960, 1994, 1995, 2128, 2170, 2205, 2232, 2280, 2352, 2356, 2394, 2480, 2520, 2604, 2660, 2736, 2790, 2793, 2940, 2945, 2991, 3038, 3192, 3255, 3420, 3472, 3528, 3534, 3720, 3724, 3906, 3920, 3988, 3990, 4123, 4340, 4410, 4464, 4557, 4560, 4655, 4712, 4788, 4985, 5040, 5208, 5301, 5320, 5580, 5586, 5880, 5890, 5982, 5985, 6076, 6384, 6510, 6840, 6979, 7056, 7068, 7440, 7448, 7595, 7812, 7976, 7980, 8246, 8379, 8680, 8820, 8835, 8973, 9114, 9310, 9424, 9576, 9765, 9970, 10416, 10602, 10640, 11160, 11172, 11760, 11780, 11964, 11970, 12152, 12369, 13020, 13671, 13680, 13958, 13965, 14136, 14896, 14955, 15190, 15624, 15952, 15960, 16492, 16758, 17360, 17640, 17670, 17946, 18228, 18620, 18943, 19152, 19530, 19940, 20615, 20937, 21204, 22320, 22344, 22785, 23560, 23928, 23940, 24304, 24738, 26040, 26505, 27342, 27916, 27930, 28272, 28861, 29910, 30380, 30907, 31248, 31920, 32984, 33516, 34895, 35280, 35340, 35892, 36456, 37107, 37240, 37886, 39060, 39880, 41230, 41874, 41895, 42408, 44688, 44865, 45570, 47120, 47856, 47880, 48853, 49476, 52080, 53010, 54684, 55832, 55860, 56829, 57722, 59820, 60760, 61814, 61845, 62811, 65968, 67032, 68355, 69790, 70680, 71784, 72912, 74214, 74480, 75772, 78120, 79760, 82460, 83748, 83790, 84816, 86583, 89730, 91140, 92721, 94715, 95760, 97706, 98952, 104685, 106020, 109368, 111664, 111720, 113658, 115444, 119640, 121520, 123628, 123690, 125622, 132601, 134064, 136710, 139580, 141360, 143568, 144305, 146559, 148428, 151544, 154535, 156240, 164920, 167496, 167580, 170487, 173166, 179460, 182280, 185442, 185535, 189430, 195412, 197904, 209370, 212040, 216349, 218736, 223440, 227316, 230888, 239280, 244265, 247256, 247380, 251244, 259749, 265202, 273420, 278163, 279160, 284145, 288610, 293118, 296856, 303088, 309070, 314055, 329840, 334992, 335160, 340974, 346332, 358920, 364560, 370884, 371070, 378860, 390824, 397803, 418740, 424080, 432698, 432915, 439677, 454632, 461776, 463605, 488530, 494512, 494760, 502488, 519498, 530404, 546840, 556326, 558320, 568290, 577220, 586236, 587233, 593712, 618140, 628110, 649047, 663005, 670320, 681948, 692664, 717840, 732795, 741768, 742140, 757720, 781648, 795606, 837480, 852435, 865396, 865830, 879354, 909264, 927210, 928207, 977060, 989520, 1004976, 1038996, 1060808, 1081745, 1093680, 1112652, 1136580, 1154440, 1172472, 1174466, 1193409, 1236280, 1256220, 1298094, 1298745, 1326010, 1363896, 1385328, 1390815, 1465590, 1483536, 1484280, 1514443, 1515440, 1591212, 1674960, 1704870, 1730792, 1731660, 1758708, 1761699, 1854420, 1856414, 1947141, 1954120, 1989015, 2077992, 2121616, 2163490, 2198385, 2225304, 2273160, 2308880, 2344944, 2348932, 2386818, 2472560, 2512440, 2596188, 2597490, 2652020, 2727792, 2781630, 2784621, 2931180, 2936165, 2968560, 3028886, 3182424, 3245235, 3409740, 3461584, 3463320, 3517416, 3523398, 3708840, 3712828, 3894282, 3908240, 3978030, 4110631, 4155984, 4326980, 4396770, 4450608, 4543329, 4546320, 4641035, 4697864, 4773636, 5024880, 5192376, 5194980, 5285097, 5304040, 5563260, 5569242, 5862360, 5872330, 5967045, 6057772, 6364848, 6490470, 6819480, 6926640, 7034832, 7046796, 7417680, 7425656, 7572215, 7788564, 7956060, 8221262, 8353863, 8653960, 8793540, 8808495, 9086658, 9282070, 9395728, 9547272, 9735705, 10384752, 10389960, 10570194, 10608080, 11126520, 11138484, 11724720, 11744660, 11934090, 12115544, 12331893, 12980940, 13629987, 13638960, 13923105, 14093592, 14851312, 15144430, 15577128, 15912120, 16442524, 16707726, 17307920, 17587080, 17616990, 18173316, 18564140, 19094544, 19471410, 20553155, 20779920, 21140388, 22253040, 22276968, 22716645, 23489320, 23868180, 24231088, 24663786, 25961880, 26425485, 27259974, 27846210, 28187184, 28774417, 30288860, 31154256, 31824240, 32885048, 33415452, 35174160, 35233980, 36346632, 36995679, 37128280, 38942820, 41106310, 41769315, 42280776, 44553936, 45433290, 46978640, 47736360, 49327572, 51923760, 52850970, 54519948, 55692420, 57548834, 60577720, 61659465, 65770096, 66830904, 68149935, 70467960, 72693264, 73991358, 74256560, 77885640, 82212620, 83538630, 84561552, 86323251, 90866580, 95472720, 98655144, 105701940, 109039896, 111384840, 115097668, 121155440, 123318930, 133661808, 136299870, 140935920, 143872085, 147982716, 155771280, 164425240, 167077260, 172646502, 181733160, 184978395, 197310288, 211403880, 218079792, 222769680, 230195336, 246637860, 258969753, 272599740, 287744170, 295965432, 328850480, 334154520, 345293004, 363466320, 369956790, 422807760, 431616255, 460390672, 493275720, 517939506, 545199480, 575488340, 591930864, 668309040, 690586008, 739913580, 863232510, 986551440, 1035879012, 1090398960, 1150976680, 1294848765, 1381172016, 1479827160, 1726465020, 2071758024, 2301953360, 2589697530, 2959654320, 3452930040, 4143516048, 5179395060, 6905860080, 10358790120, 20717580240]

約数ペア:

[(1, 20717580240), (2, 10358790120), (3, 6905860080), (4, 5179395060), (5, 4143516048), (6, 3452930040), (7, 2959654320), (8, 2589697530), (9, 2301953360), (10, 2071758024), (12, 1726465020), (14, 1479827160), (15, 1381172016), (16, 1294848765), (18, 1150976680), (19, 1090398960), (20, 1035879012), (21, 986551440), (24, 863232510), (28, 739913580), (30, 690586008), (31, 668309040), (35, 591930864), (36, 575488340), (38, 545199480), (40, 517939506), (42, 493275720), (45, 460390672), (48, 431616255), (49, 422807760), (56, 369956790), (57, 363466320), (60, 345293004), (62, 334154520), (63, 328850480), (70, 295965432), (72, 287744170), (76, 272599740), (80, 258969753), (84, 246637860), (90, 230195336), (93, 222769680), (95, 218079792), (98, 211403880), (105, 197310288), (112, 184978395), (114, 181733160), (120, 172646502), (124, 167077260), (126, 164425240), (133, 155771280), (140, 147982716), (144, 143872085), (147, 140935920), (152, 136299870), (155, 133661808), (168, 123318930), (171, 121155440), (180, 115097668), (186, 111384840), (190, 109039896), (196, 105701940), (210, 98655144), (217, 95472720), (228, 90866580), (240, 86323251), (245, 84561552), (248, 83538630), (252, 82212620), (266, 77885640), (279, 74256560), (280, 73991358), (285, 72693264), (294, 70467960), (304, 68149935), (310, 66830904), (315, 65770096), (336, 61659465), (342, 60577720), (360, 57548834), (372, 55692420), (380, 54519948), (392, 52850970), (399, 51923760), (420, 49327572), (434, 47736360), (441, 46978640), (456, 45433290), (465, 44553936), (490, 42280776), (496, 41769315), (504, 41106310), (532, 38942820), (558, 37128280), (560, 36995679), (570, 36346632), (588, 35233980), (589, 35174160), (620, 33415452), (630, 32885048), (651, 31824240), (665, 31154256), (684, 30288860), (720, 28774417), (735, 28187184), (744, 27846210), (760, 27259974), (784, 26425485), (798, 25961880), (840, 24663786), (855, 24231088), (868, 23868180), (882, 23489320), (912, 22716645), (930, 22276968), (931, 22253040), (980, 21140388), (997, 20779920), (1008, 20553155), (1064, 19471410), (1085, 19094544), (1116, 18564140), (1140, 18173316), (1176, 17616990), (1178, 17587080), (1197, 17307920), (1240, 16707726), (1260, 16442524), (1302, 15912120), (1330, 15577128), (1368, 15144430), (1395, 14851312), (1470, 14093592), (1488, 13923105), (1519, 13638960), (1520, 13629987), (1596, 12980940), (1680, 12331893), (1710, 12115544), (1736, 11934090), (1764, 11744660), (1767, 11724720), (1860, 11138484), (1862, 11126520), (1953, 10608080), (1960, 10570194), (1994, 10389960), (1995, 10384752), (2128, 9735705), (2170, 9547272), (2205, 9395728), (2232, 9282070), (2280, 9086658), (2352, 8808495), (2356, 8793540), (2394, 8653960), (2480, 8353863), (2520, 8221262), (2604, 7956060), (2660, 7788564), (2736, 7572215), (2790, 7425656), (2793, 7417680), (2940, 7046796), (2945, 7034832), (2991, 6926640), (3038, 6819480), (3192, 6490470), (3255, 6364848), (3420, 6057772), (3472, 5967045), (3528, 5872330), (3534, 5862360), (3720, 5569242), (3724, 5563260), (3906, 5304040), (3920, 5285097), (3988, 5194980), (3990, 5192376), (4123, 5024880), (4340, 4773636), (4410, 4697864), (4464, 4641035), (4557, 4546320), (4560, 4543329), (4655, 4450608), (4712, 4396770), (4788, 4326980), (4985, 4155984), (5040, 4110631), (5208, 3978030), (5301, 3908240), (5320, 3894282), (5580, 3712828), (5586, 3708840), (5880, 3523398), (5890, 3517416), (5982, 3463320), (5985, 3461584), (6076, 3409740), (6384, 3245235), (6510, 3182424), (6840, 3028886), (6979, 2968560), (7056, 2936165), (7068, 2931180), (7440, 2784621), (7448, 2781630), (7595, 2727792), (7812, 2652020), (7976, 2597490), (7980, 2596188), (8246, 2512440), (8379, 2472560), (8680, 2386818), (8820, 2348932), (8835, 2344944), (8973, 2308880), (9114, 2273160), (9310, 2225304), (9424, 2198385), (9576, 2163490), (9765, 2121616), (9970, 2077992), (10416, 1989015), (10602, 1954120), (10640, 1947141), (11160, 1856414), (11172, 1854420), (11760, 1761699), (11780, 1758708), (11964, 1731660), (11970, 1730792), (12152, 1704870), (12369, 1674960), (13020, 1591212), (13671, 1515440), (13680, 1514443), (13958, 1484280), (13965, 1483536), (14136, 1465590), (14896, 1390815), (14955, 1385328), (15190, 1363896), (15624, 1326010), (15952, 1298745), (15960, 1298094), (16492, 1256220), (16758, 1236280), (17360, 1193409), (17640, 1174466), (17670, 1172472), (17946, 1154440), (18228, 1136580), (18620, 1112652), (18943, 1093680), (19152, 1081745), (19530, 1060808), (19940, 1038996), (20615, 1004976), (20937, 989520), (21204, 977060), (22320, 928207), (22344, 927210), (22785, 909264), (23560, 879354), (23928, 865830), (23940, 865396), (24304, 852435), (24738, 837480), (26040, 795606), (26505, 781648), (27342, 757720), (27916, 742140), (27930, 741768), (28272, 732795), (28861, 717840), (29910, 692664), (30380, 681948), (30907, 670320), (31248, 663005), (31920, 649047), (32984, 628110), (33516, 618140), (34895, 593712), (35280, 587233), (35340, 586236), (35892, 577220), (36456, 568290), (37107, 558320), (37240, 556326), (37886, 546840), (39060, 530404), (39880, 519498), (41230, 502488), (41874, 494760), (41895, 494512), (42408, 488530), (44688, 463605), (44865, 461776), (45570, 454632), (47120, 439677), (47856, 432915), (47880, 432698), (48853, 424080), (49476, 418740), (52080, 397803), (53010, 390824), (54684, 378860), (55832, 371070), (55860, 370884), (56829, 364560), (57722, 358920), (59820, 346332), (60760, 340974), (61814, 335160), (61845, 334992), (62811, 329840), (65968, 314055), (67032, 309070), (68355, 303088), (69790, 296856), (70680, 293118), (71784, 288610), (72912, 284145), (74214, 279160), (74480, 278163), (75772, 273420), (78120, 265202), (79760, 259749), (82460, 251244), (83748, 247380), (83790, 247256), (84816, 244265), (86583, 239280), (89730, 230888), (91140, 227316), (92721, 223440), (94715, 218736), (95760, 216349), (97706, 212040), (98952, 209370), (104685, 197904), (106020, 195412), (109368, 189430), (111664, 185535), (111720, 185442), (113658, 182280), (115444, 179460), (119640, 173166), (121520, 170487), (123628, 167580), (123690, 167496), (125622, 164920), (132601, 156240), (134064, 154535), (136710, 151544), (139580, 148428), (141360, 146559), (143568, 144305)]