20687009280

素因数分解:

$2^9\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{12413}}^1$

素因数の和:12477

約数の個数: 320

約数和(自身を含む): 78025863168

約数和(自身を除く): 57338853888

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 32, 35, 40, 42, 48, 56, 60, 62, 64, 70, 80, 84, 93, 96, 105, 112, 120, 124, 128, 140, 155, 160, 168, 186, 192, 210, 217, 224, 240, 248, 256, 280, 310, 320, 336, 372, 384, 420, 434, 448, 465, 480, 496, 512, 560, 620, 640, 651, 672, 744, 768, 840, 868, 896, 930, 960, 992, 1085, 1120, 1240, 1280, 1302, 1344, 1488, 1536, 1680, 1736, 1792, 1860, 1920, 1984, 2170, 2240, 2480, 2560, 2604, 2688, 2976, 3255, 3360, 3472, 3584, 3720, 3840, 3968, 4340, 4480, 4960, 5208, 5376, 5952, 6510, 6720, 6944, 7440, 7680, 7936, 8680, 8960, 9920, 10416, 10752, 11904, 12413, 13020, 13440, 13888, 14880, 15872, 17360, 17920, 19840, 20832, 23808, 24826, 26040, 26880, 27776, 29760, 34720, 37239, 39680, 41664, 47616, 49652, 52080, 53760, 55552, 59520, 62065, 69440, 74478, 79360, 83328, 86891, 99304, 104160, 111104, 119040, 124130, 138880, 148956, 166656, 173782, 186195, 198608, 208320, 238080, 248260, 260673, 277760, 297912, 333312, 347564, 372390, 384803, 397216, 416640, 434455, 496520, 521346, 555520, 595824, 695128, 744780, 769606, 794432, 833280, 868910, 993040, 1042692, 1154409, 1191648, 1303365, 1390256, 1489560, 1539212, 1588864, 1666560, 1737820, 1924015, 1986080, 2085384, 2308818, 2383296, 2606730, 2693621, 2780512, 2979120, 3078424, 3177728, 3475640, 3848030, 3972160, 4170768, 4617636, 4766592, 5213460, 5387242, 5561024, 5772045, 5958240, 6156848, 6355456, 6951280, 7696060, 7944320, 8080863, 8341536, 9235272, 9533184, 10426920, 10774484, 11122048, 11544090, 11916480, 12313696, 13468105, 13902560, 15392120, 15888640, 16161726, 16683072, 18470544, 19066368, 20853840, 21548968, 22244096, 23088180, 23832960, 24627392, 26936210, 27805120, 30784240, 31777280, 32323452, 33366144, 36941088, 40404315, 41707680, 43097936, 44488192, 46176360, 47665920, 49254784, 53872420, 55610240, 61568480, 64646904, 66732288, 73882176, 80808630, 83415360, 86195872, 92352720, 95331840, 98509568, 107744840, 111220480, 123136960, 129293808, 133464576, 147764352, 161617260, 166830720, 172391744, 184705440, 197019136, 215489680, 222440960, 246273920, 258587616, 295528704, 323234520, 333661440, 344783488, 369410880, 430979360, 492547840, 517175232, 591057408, 646469040, 667322880, 689566976, 738821760, 861958720, 985095680, 1034350464, 1292938080, 1379133952, 1477643520, 1723917440, 2068700928, 2585876160, 2955287040, 3447834880, 4137401856, 5171752320, 6895669760, 10343504640, 20687009280]

約数ペア:

[(1, 20687009280), (2, 10343504640), (3, 6895669760), (4, 5171752320), (5, 4137401856), (6, 3447834880), (7, 2955287040), (8, 2585876160), (10, 2068700928), (12, 1723917440), (14, 1477643520), (15, 1379133952), (16, 1292938080), (20, 1034350464), (21, 985095680), (24, 861958720), (28, 738821760), (30, 689566976), (31, 667322880), (32, 646469040), (35, 591057408), (40, 517175232), (42, 492547840), (48, 430979360), (56, 369410880), (60, 344783488), (62, 333661440), (64, 323234520), (70, 295528704), (80, 258587616), (84, 246273920), (93, 222440960), (96, 215489680), (105, 197019136), (112, 184705440), (120, 172391744), (124, 166830720), (128, 161617260), (140, 147764352), (155, 133464576), (160, 129293808), (168, 123136960), (186, 111220480), (192, 107744840), (210, 98509568), (217, 95331840), (224, 92352720), (240, 86195872), (248, 83415360), (256, 80808630), (280, 73882176), (310, 66732288), (320, 64646904), (336, 61568480), (372, 55610240), (384, 53872420), (420, 49254784), (434, 47665920), (448, 46176360), (465, 44488192), (480, 43097936), (496, 41707680), (512, 40404315), (560, 36941088), (620, 33366144), (640, 32323452), (651, 31777280), (672, 30784240), (744, 27805120), (768, 26936210), (840, 24627392), (868, 23832960), (896, 23088180), (930, 22244096), (960, 21548968), (992, 20853840), (1085, 19066368), (1120, 18470544), (1240, 16683072), (1280, 16161726), (1302, 15888640), (1344, 15392120), (1488, 13902560), (1536, 13468105), (1680, 12313696), (1736, 11916480), (1792, 11544090), (1860, 11122048), (1920, 10774484), (1984, 10426920), (2170, 9533184), (2240, 9235272), (2480, 8341536), (2560, 8080863), (2604, 7944320), (2688, 7696060), (2976, 6951280), (3255, 6355456), (3360, 6156848), (3472, 5958240), (3584, 5772045), (3720, 5561024), (3840, 5387242), (3968, 5213460), (4340, 4766592), (4480, 4617636), (4960, 4170768), (5208, 3972160), (5376, 3848030), (5952, 3475640), (6510, 3177728), (6720, 3078424), (6944, 2979120), (7440, 2780512), (7680, 2693621), (7936, 2606730), (8680, 2383296), (8960, 2308818), (9920, 2085384), (10416, 1986080), (10752, 1924015), (11904, 1737820), (12413, 1666560), (13020, 1588864), (13440, 1539212), (13888, 1489560), (14880, 1390256), (15872, 1303365), (17360, 1191648), (17920, 1154409), (19840, 1042692), (20832, 993040), (23808, 868910), (24826, 833280), (26040, 794432), (26880, 769606), (27776, 744780), (29760, 695128), (34720, 595824), (37239, 555520), (39680, 521346), (41664, 496520), (47616, 434455), (49652, 416640), (52080, 397216), (53760, 384803), (55552, 372390), (59520, 347564), (62065, 333312), (69440, 297912), (74478, 277760), (79360, 260673), (83328, 248260), (86891, 238080), (99304, 208320), (104160, 198608), (111104, 186195), (119040, 173782), (124130, 166656), (138880, 148956)]