20781694080

素因数分解:

$2^7\times 3^2\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{4817}}^1$

素因数の和:4956

約数の個数: 384

約数和(自身を含む): 82797137280

約数和(自身を除く): 62015443200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 107, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 214, 224, 240, 252, 280, 288, 315, 320, 321, 336, 360, 384, 420, 428, 448, 480, 504, 535, 560, 576, 630, 640, 642, 672, 720, 749, 840, 856, 896, 960, 963, 1008, 1070, 1120, 1152, 1260, 1284, 1344, 1440, 1498, 1605, 1680, 1712, 1920, 1926, 2016, 2140, 2240, 2247, 2520, 2568, 2688, 2880, 2996, 3210, 3360, 3424, 3745, 3852, 4032, 4280, 4480, 4494, 4815, 4817, 5040, 5136, 5760, 5992, 6420, 6720, 6741, 6848, 7490, 7704, 8064, 8560, 8988, 9630, 9634, 10080, 10272, 11235, 11984, 12840, 13440, 13482, 13696, 14451, 14980, 15408, 17120, 17976, 19260, 19268, 20160, 20544, 22470, 23968, 24085, 25680, 26964, 28902, 29960, 30816, 33705, 33719, 34240, 35952, 38520, 38536, 40320, 41088, 43353, 44940, 47936, 48170, 51360, 53928, 57804, 59920, 61632, 67410, 67438, 68480, 71904, 72255, 77040, 77072, 86706, 89880, 95872, 96340, 101157, 102720, 107856, 115608, 119840, 123264, 134820, 134876, 143808, 144510, 154080, 154144, 168595, 173412, 179760, 192680, 202314, 205440, 215712, 216765, 231216, 239680, 269640, 269752, 287616, 289020, 303471, 308160, 308288, 337190, 346824, 359520, 385360, 404628, 431424, 433530, 462432, 479360, 505785, 515419, 539280, 539504, 578040, 606942, 616320, 616576, 674380, 693648, 719040, 770720, 809256, 862848, 867060, 924864, 1011570, 1030838, 1078560, 1079008, 1156080, 1213884, 1348760, 1387296, 1438080, 1517355, 1541440, 1546257, 1618512, 1734120, 1849728, 2023140, 2061676, 2157120, 2158016, 2312160, 2427768, 2577095, 2697520, 2774592, 3034710, 3082880, 3092514, 3237024, 3468240, 3607933, 4046280, 4123352, 4314240, 4316032, 4624320, 4638771, 4855536, 5154190, 5395040, 5549184, 6069420, 6185028, 6474048, 6936480, 7215866, 7731285, 8092560, 8246704, 9248640, 9277542, 9711072, 10308380, 10790080, 10823799, 12138840, 12370056, 12948096, 13872960, 14431732, 15462570, 16185120, 16493408, 18039665, 18555084, 19422144, 20616760, 21580160, 21647598, 23193855, 24277680, 24740112, 27745920, 28863464, 30925140, 32370240, 32471397, 32986816, 36079330, 37110168, 38844288, 41233520, 43295196, 46387710, 48555360, 49480224, 54118995, 57726928, 61850280, 64740480, 64942794, 65973632, 72158660, 74220336, 82467040, 86590392, 92775420, 97110720, 98960448, 108237990, 115453856, 123700560, 129885588, 144317320, 148440672, 162356985, 164934080, 173180784, 185550840, 194221440, 197920896, 216475980, 230907712, 247401120, 259771176, 288634640, 296881344, 324713970, 329868160, 346361568, 371101680, 432951960, 461815424, 494802240, 519542352, 577269280, 593762688, 649427940, 692723136, 742203360, 865903920, 989604480, 1039084704, 1154538560, 1298855880, 1385446272, 1484406720, 1731807840, 2078169408, 2309077120, 2597711760, 2968813440, 3463615680, 4156338816, 5195423520, 6927231360, 10390847040, 20781694080]

約数ペア:

[(1, 20781694080), (2, 10390847040), (3, 6927231360), (4, 5195423520), (5, 4156338816), (6, 3463615680), (7, 2968813440), (8, 2597711760), (9, 2309077120), (10, 2078169408), (12, 1731807840), (14, 1484406720), (15, 1385446272), (16, 1298855880), (18, 1154538560), (20, 1039084704), (21, 989604480), (24, 865903920), (28, 742203360), (30, 692723136), (32, 649427940), (35, 593762688), (36, 577269280), (40, 519542352), (42, 494802240), (45, 461815424), (48, 432951960), (56, 371101680), (60, 346361568), (63, 329868160), (64, 324713970), (70, 296881344), (72, 288634640), (80, 259771176), (84, 247401120), (90, 230907712), (96, 216475980), (105, 197920896), (107, 194221440), (112, 185550840), (120, 173180784), (126, 164934080), (128, 162356985), (140, 148440672), (144, 144317320), (160, 129885588), (168, 123700560), (180, 115453856), (192, 108237990), (210, 98960448), (214, 97110720), (224, 92775420), (240, 86590392), (252, 82467040), (280, 74220336), (288, 72158660), (315, 65973632), (320, 64942794), (321, 64740480), (336, 61850280), (360, 57726928), (384, 54118995), (420, 49480224), (428, 48555360), (448, 46387710), (480, 43295196), (504, 41233520), (535, 38844288), (560, 37110168), (576, 36079330), (630, 32986816), (640, 32471397), (642, 32370240), (672, 30925140), (720, 28863464), (749, 27745920), (840, 24740112), (856, 24277680), (896, 23193855), (960, 21647598), (963, 21580160), (1008, 20616760), (1070, 19422144), (1120, 18555084), (1152, 18039665), (1260, 16493408), (1284, 16185120), (1344, 15462570), (1440, 14431732), (1498, 13872960), (1605, 12948096), (1680, 12370056), (1712, 12138840), (1920, 10823799), (1926, 10790080), (2016, 10308380), (2140, 9711072), (2240, 9277542), (2247, 9248640), (2520, 8246704), (2568, 8092560), (2688, 7731285), (2880, 7215866), (2996, 6936480), (3210, 6474048), (3360, 6185028), (3424, 6069420), (3745, 5549184), (3852, 5395040), (4032, 5154190), (4280, 4855536), (4480, 4638771), (4494, 4624320), (4815, 4316032), (4817, 4314240), (5040, 4123352), (5136, 4046280), (5760, 3607933), (5992, 3468240), (6420, 3237024), (6720, 3092514), (6741, 3082880), (6848, 3034710), (7490, 2774592), (7704, 2697520), (8064, 2577095), (8560, 2427768), (8988, 2312160), (9630, 2158016), (9634, 2157120), (10080, 2061676), (10272, 2023140), (11235, 1849728), (11984, 1734120), (12840, 1618512), (13440, 1546257), (13482, 1541440), (13696, 1517355), (14451, 1438080), (14980, 1387296), (15408, 1348760), (17120, 1213884), (17976, 1156080), (19260, 1079008), (19268, 1078560), (20160, 1030838), (20544, 1011570), (22470, 924864), (23968, 867060), (24085, 862848), (25680, 809256), (26964, 770720), (28902, 719040), (29960, 693648), (30816, 674380), (33705, 616576), (33719, 616320), (34240, 606942), (35952, 578040), (38520, 539504), (38536, 539280), (40320, 515419), (41088, 505785), (43353, 479360), (44940, 462432), (47936, 433530), (48170, 431424), (51360, 404628), (53928, 385360), (57804, 359520), (59920, 346824), (61632, 337190), (67410, 308288), (67438, 308160), (68480, 303471), (71904, 289020), (72255, 287616), (77040, 269752), (77072, 269640), (86706, 239680), (89880, 231216), (95872, 216765), (96340, 215712), (101157, 205440), (102720, 202314), (107856, 192680), (115608, 179760), (119840, 173412), (123264, 168595), (134820, 154144), (134876, 154080), (143808, 144510)]