19720464000

素因数分解:

$2^7\times 3^1\times 5^3\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{457}}^1$

素因数の和:549

約数の個数: 512

約数和(自身を含む): 69961881600

約数和(自身を除く): 50241417600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 29, 30, 31, 32, 40, 48, 50, 58, 60, 62, 64, 75, 80, 87, 93, 96, 100, 116, 120, 124, 125, 128, 145, 150, 155, 160, 174, 186, 192, 200, 232, 240, 248, 250, 290, 300, 310, 320, 348, 372, 375, 384, 400, 435, 457, 464, 465, 480, 496, 500, 580, 600, 620, 640, 696, 725, 744, 750, 775, 800, 870, 899, 914, 928, 930, 960, 992, 1000, 1160, 1200, 1240, 1371, 1392, 1450, 1488, 1500, 1550, 1600, 1740, 1798, 1828, 1856, 1860, 1920, 1984, 2000, 2175, 2285, 2320, 2325, 2400, 2480, 2697, 2742, 2784, 2900, 2976, 3000, 3100, 3200, 3480, 3596, 3625, 3656, 3712, 3720, 3875, 3968, 4000, 4350, 4495, 4570, 4640, 4650, 4800, 4960, 5394, 5484, 5568, 5800, 5952, 6000, 6200, 6855, 6960, 7192, 7250, 7312, 7440, 7750, 8000, 8700, 8990, 9140, 9280, 9300, 9600, 9920, 10788, 10875, 10968, 11136, 11425, 11600, 11625, 11904, 12000, 12400, 13253, 13485, 13710, 13920, 14167, 14384, 14500, 14624, 14880, 15500, 16000, 17400, 17980, 18280, 18560, 18600, 19840, 21576, 21750, 21936, 22475, 22850, 23200, 23250, 24000, 24800, 26506, 26970, 27420, 27840, 28334, 28768, 29000, 29248, 29760, 31000, 34275, 34800, 35960, 36560, 37200, 39759, 42501, 43152, 43500, 43872, 44950, 45700, 46400, 46500, 48000, 49600, 53012, 53940, 54840, 55680, 56668, 57125, 57536, 58000, 58496, 59520, 62000, 66265, 67425, 68550, 69600, 70835, 71920, 73120, 74400, 79518, 85002, 86304, 87000, 87744, 89900, 91400, 92800, 93000, 99200, 106024, 107880, 109680, 112375, 113336, 114250, 115072, 116000, 124000, 132530, 134850, 137100, 139200, 141670, 143840, 146240, 148800, 159036, 170004, 171375, 172608, 174000, 175488, 179800, 182800, 186000, 198795, 212048, 212505, 215760, 219360, 224750, 226672, 228500, 232000, 248000, 265060, 269700, 274200, 278400, 283340, 287680, 292480, 297600, 318072, 331325, 337125, 340008, 342750, 345216, 348000, 354175, 359600, 365600, 372000, 397590, 410843, 424096, 425010, 431520, 438720, 449500, 453344, 457000, 464000, 496000, 530120, 539400, 548400, 566680, 575360, 636144, 662650, 674250, 680016, 685500, 696000, 708350, 719200, 731200, 744000, 795180, 821686, 848192, 850020, 863040, 877440, 899000, 906688, 914000, 993975, 1060240, 1062525, 1078800, 1096800, 1133360, 1232529, 1272288, 1325300, 1348500, 1360032, 1371000, 1392000, 1416700, 1438400, 1462400, 1488000, 1590360, 1643372, 1656625, 1696384, 1700040, 1726080, 1770875, 1798000, 1813376, 1828000, 1987950, 2054215, 2120480, 2125050, 2157600, 2193600, 2266720, 2465058, 2544576, 2650600, 2697000, 2720064, 2742000, 2833400, 2876800, 3180720, 3286744, 3313250, 3400080, 3541750, 3596000, 3656000, 3975900, 4108430, 4240960, 4250100, 4315200, 4387200, 4533440, 4930116, 4969875, 5089152, 5301200, 5312625, 5394000, 5440128, 5484000, 5666800, 6162645, 6361440, 6573488, 6626500, 6800160, 7083500, 7192000, 7312000, 7951800, 8216860, 8481920, 8500200, 8630400, 9066880, 9860232, 9939750, 10271075, 10602400, 10625250, 10788000, 10968000, 11333600, 12325290, 12722880, 13146976, 13253000, 13600320, 14167000, 14384000, 15903600, 16433720, 17000400, 19720464, 19879500, 20542150, 21204800, 21250500, 21576000, 21936000, 22667200, 24650580, 25445760, 26293952, 26506000, 27200640, 28334000, 30813225, 31807200, 32867440, 34000800, 39440928, 39759000, 41084300, 42409600, 42501000, 43152000, 45334400, 49301160, 51355375, 52587904, 53012000, 56668000, 61626450, 63614400, 65734880, 68001600, 78881856, 79518000, 82168600, 85002000, 98602320, 102710750, 106024000, 113336000, 123252900, 127228800, 131469760, 136003200, 154066125, 157763712, 159036000, 164337200, 170004000, 197204640, 205421500, 212048000, 226672000, 246505800, 262939520, 308132250, 318072000, 328674400, 340008000, 394409280, 410843000, 493011600, 616264500, 636144000, 657348800, 680016000, 788818560, 821686000, 986023200, 1232529000, 1314697600, 1643372000, 1972046400, 2465058000, 3286744000, 3944092800, 4930116000, 6573488000, 9860232000, 19720464000]

約数ペア:

[(1, 19720464000), (2, 9860232000), (3, 6573488000), (4, 4930116000), (5, 3944092800), (6, 3286744000), (8, 2465058000), (10, 1972046400), (12, 1643372000), (15, 1314697600), (16, 1232529000), (20, 986023200), (24, 821686000), (25, 788818560), (29, 680016000), (30, 657348800), (31, 636144000), (32, 616264500), (40, 493011600), (48, 410843000), (50, 394409280), (58, 340008000), (60, 328674400), (62, 318072000), (64, 308132250), (75, 262939520), (80, 246505800), (87, 226672000), (93, 212048000), (96, 205421500), (100, 197204640), (116, 170004000), (120, 164337200), (124, 159036000), (125, 157763712), (128, 154066125), (145, 136003200), (150, 131469760), (155, 127228800), (160, 123252900), (174, 113336000), (186, 106024000), (192, 102710750), (200, 98602320), (232, 85002000), (240, 82168600), (248, 79518000), (250, 78881856), (290, 68001600), (300, 65734880), (310, 63614400), (320, 61626450), (348, 56668000), (372, 53012000), (375, 52587904), (384, 51355375), (400, 49301160), (435, 45334400), (457, 43152000), (464, 42501000), (465, 42409600), (480, 41084300), (496, 39759000), (500, 39440928), (580, 34000800), (600, 32867440), (620, 31807200), (640, 30813225), (696, 28334000), (725, 27200640), (744, 26506000), (750, 26293952), (775, 25445760), (800, 24650580), (870, 22667200), (899, 21936000), (914, 21576000), (928, 21250500), (930, 21204800), (960, 20542150), (992, 19879500), (1000, 19720464), (1160, 17000400), (1200, 16433720), (1240, 15903600), (1371, 14384000), (1392, 14167000), (1450, 13600320), (1488, 13253000), (1500, 13146976), (1550, 12722880), (1600, 12325290), (1740, 11333600), (1798, 10968000), (1828, 10788000), (1856, 10625250), (1860, 10602400), (1920, 10271075), (1984, 9939750), (2000, 9860232), (2175, 9066880), (2285, 8630400), (2320, 8500200), (2325, 8481920), (2400, 8216860), (2480, 7951800), (2697, 7312000), (2742, 7192000), (2784, 7083500), (2900, 6800160), (2976, 6626500), (3000, 6573488), (3100, 6361440), (3200, 6162645), (3480, 5666800), (3596, 5484000), (3625, 5440128), (3656, 5394000), (3712, 5312625), (3720, 5301200), (3875, 5089152), (3968, 4969875), (4000, 4930116), (4350, 4533440), (4495, 4387200), (4570, 4315200), (4640, 4250100), (4650, 4240960), (4800, 4108430), (4960, 3975900), (5394, 3656000), (5484, 3596000), (5568, 3541750), (5800, 3400080), (5952, 3313250), (6000, 3286744), (6200, 3180720), (6855, 2876800), (6960, 2833400), (7192, 2742000), (7250, 2720064), (7312, 2697000), (7440, 2650600), (7750, 2544576), (8000, 2465058), (8700, 2266720), (8990, 2193600), (9140, 2157600), (9280, 2125050), (9300, 2120480), (9600, 2054215), (9920, 1987950), (10788, 1828000), (10875, 1813376), (10968, 1798000), (11136, 1770875), (11425, 1726080), (11600, 1700040), (11625, 1696384), (11904, 1656625), (12000, 1643372), (12400, 1590360), (13253, 1488000), (13485, 1462400), (13710, 1438400), (13920, 1416700), (14167, 1392000), (14384, 1371000), (14500, 1360032), (14624, 1348500), (14880, 1325300), (15500, 1272288), (16000, 1232529), (17400, 1133360), (17980, 1096800), (18280, 1078800), (18560, 1062525), (18600, 1060240), (19840, 993975), (21576, 914000), (21750, 906688), (21936, 899000), (22475, 877440), (22850, 863040), (23200, 850020), (23250, 848192), (24000, 821686), (24800, 795180), (26506, 744000), (26970, 731200), (27420, 719200), (27840, 708350), (28334, 696000), (28768, 685500), (29000, 680016), (29248, 674250), (29760, 662650), (31000, 636144), (34275, 575360), (34800, 566680), (35960, 548400), (36560, 539400), (37200, 530120), (39759, 496000), (42501, 464000), (43152, 457000), (43500, 453344), (43872, 449500), (44950, 438720), (45700, 431520), (46400, 425010), (46500, 424096), (48000, 410843), (49600, 397590), (53012, 372000), (53940, 365600), (54840, 359600), (55680, 354175), (56668, 348000), (57125, 345216), (57536, 342750), (58000, 340008), (58496, 337125), (59520, 331325), (62000, 318072), (66265, 297600), (67425, 292480), (68550, 287680), (69600, 283340), (70835, 278400), (71920, 274200), (73120, 269700), (74400, 265060), (79518, 248000), (85002, 232000), (86304, 228500), (87000, 226672), (87744, 224750), (89900, 219360), (91400, 215760), (92800, 212505), (93000, 212048), (99200, 198795), (106024, 186000), (107880, 182800), (109680, 179800), (112375, 175488), (113336, 174000), (114250, 172608), (115072, 171375), (116000, 170004), (124000, 159036), (132530, 148800), (134850, 146240), (137100, 143840), (139200, 141670)]