1721341440

素因数分解:

$2^9\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{821}}^1$

素因数の和:870

約数の個数: 480

約数和(自身を含む): 7346154816

約数和(自身を除く): 5624813376

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 20, 21, 24, 26, 28, 30, 32, 35, 36, 39, 40, 42, 45, 48, 52, 56, 60, 63, 64, 65, 70, 72, 78, 80, 84, 90, 91, 96, 104, 105, 112, 117, 120, 126, 128, 130, 140, 144, 156, 160, 168, 180, 182, 192, 195, 208, 210, 224, 234, 240, 252, 256, 260, 273, 280, 288, 312, 315, 320, 336, 360, 364, 384, 390, 416, 420, 448, 455, 468, 480, 504, 512, 520, 546, 560, 576, 585, 624, 630, 640, 672, 720, 728, 768, 780, 819, 821, 832, 840, 896, 910, 936, 960, 1008, 1040, 1092, 1120, 1152, 1170, 1248, 1260, 1280, 1344, 1365, 1440, 1456, 1536, 1560, 1638, 1642, 1664, 1680, 1792, 1820, 1872, 1920, 2016, 2080, 2184, 2240, 2304, 2340, 2463, 2496, 2520, 2560, 2688, 2730, 2880, 2912, 3120, 3276, 3284, 3328, 3360, 3584, 3640, 3744, 3840, 4032, 4095, 4105, 4160, 4368, 4480, 4608, 4680, 4926, 4992, 5040, 5376, 5460, 5747, 5760, 5824, 6240, 6552, 6568, 6656, 6720, 7280, 7389, 7488, 7680, 8064, 8190, 8210, 8320, 8736, 8960, 9360, 9852, 9984, 10080, 10673, 10752, 10920, 11494, 11520, 11648, 12315, 12480, 13104, 13136, 13440, 14560, 14778, 14976, 16128, 16380, 16420, 16640, 17241, 17472, 17920, 18720, 19704, 19968, 20160, 21346, 21840, 22988, 23040, 23296, 24630, 24960, 26208, 26272, 26880, 28735, 29120, 29556, 29952, 32019, 32256, 32760, 32840, 33280, 34482, 34944, 36945, 37440, 39408, 40320, 42692, 43680, 45976, 46592, 49260, 49920, 51723, 52416, 52544, 53365, 53760, 57470, 58240, 59112, 59904, 64038, 65520, 65680, 68964, 69888, 73890, 74711, 74880, 78816, 80640, 85384, 86205, 87360, 91952, 96057, 98520, 99840, 103446, 104832, 105088, 106730, 114940, 116480, 118224, 128076, 131040, 131360, 137928, 139776, 147780, 149422, 149760, 157632, 160095, 161280, 170768, 172410, 174720, 183904, 192114, 197040, 206892, 209664, 210176, 213460, 224133, 229880, 232960, 236448, 256152, 258615, 262080, 262720, 275856, 295560, 298844, 299520, 315264, 320190, 341536, 344820, 349440, 367808, 373555, 384228, 394080, 413784, 419328, 420352, 426920, 448266, 459760, 472896, 480285, 512304, 517230, 524160, 525440, 551712, 591120, 597688, 630528, 640380, 672399, 683072, 689640, 698880, 735616, 747110, 768456, 788160, 827568, 853840, 896532, 919520, 945792, 960570, 1024608, 1034460, 1048320, 1050880, 1103424, 1120665, 1182240, 1195376, 1261056, 1280760, 1344798, 1366144, 1379280, 1471232, 1494220, 1536912, 1576320, 1655136, 1707680, 1793064, 1839040, 1891584, 1921140, 2049216, 2068920, 2096640, 2101760, 2206848, 2241330, 2364480, 2390752, 2561520, 2689596, 2732288, 2758560, 2942464, 2988440, 3073824, 3152640, 3310272, 3361995, 3415360, 3586128, 3678080, 3783168, 3842280, 4098432, 4137840, 4413696, 4482660, 4728960, 4781504, 5123040, 5379192, 5464576, 5517120, 5976880, 6147648, 6305280, 6620544, 6723990, 6830720, 7172256, 7356160, 7684560, 8196864, 8275680, 8827392, 8965320, 9457920, 9563008, 10246080, 10758384, 11034240, 11953760, 12295296, 13241088, 13447980, 13661440, 14344512, 14712320, 15369120, 16393728, 16551360, 17930640, 18915840, 19126016, 20492160, 21516768, 22068480, 23907520, 24590592, 26482176, 26895960, 27322880, 28689024, 30738240, 33102720, 35861280, 38252032, 40984320, 43033536, 44136960, 47815040, 49181184, 53791920, 57378048, 61476480, 66205440, 71722560, 81968640, 86067072, 95630080, 107583840, 114756096, 122952960, 132410880, 143445120, 172134144, 191260160, 215167680, 245905920, 286890240, 344268288, 430335360, 573780480, 860670720, 1721341440]

約数ペア:

[(1, 1721341440), (2, 860670720), (3, 573780480), (4, 430335360), (5, 344268288), (6, 286890240), (7, 245905920), (8, 215167680), (9, 191260160), (10, 172134144), (12, 143445120), (13, 132410880), (14, 122952960), (15, 114756096), (16, 107583840), (18, 95630080), (20, 86067072), (21, 81968640), (24, 71722560), (26, 66205440), (28, 61476480), (30, 57378048), (32, 53791920), (35, 49181184), (36, 47815040), (39, 44136960), (40, 43033536), (42, 40984320), (45, 38252032), (48, 35861280), (52, 33102720), (56, 30738240), (60, 28689024), (63, 27322880), (64, 26895960), (65, 26482176), (70, 24590592), (72, 23907520), (78, 22068480), (80, 21516768), (84, 20492160), (90, 19126016), (91, 18915840), (96, 17930640), (104, 16551360), (105, 16393728), (112, 15369120), (117, 14712320), (120, 14344512), (126, 13661440), (128, 13447980), (130, 13241088), (140, 12295296), (144, 11953760), (156, 11034240), (160, 10758384), (168, 10246080), (180, 9563008), (182, 9457920), (192, 8965320), (195, 8827392), (208, 8275680), (210, 8196864), (224, 7684560), (234, 7356160), (240, 7172256), (252, 6830720), (256, 6723990), (260, 6620544), (273, 6305280), (280, 6147648), (288, 5976880), (312, 5517120), (315, 5464576), (320, 5379192), (336, 5123040), (360, 4781504), (364, 4728960), (384, 4482660), (390, 4413696), (416, 4137840), (420, 4098432), (448, 3842280), (455, 3783168), (468, 3678080), (480, 3586128), (504, 3415360), (512, 3361995), (520, 3310272), (546, 3152640), (560, 3073824), (576, 2988440), (585, 2942464), (624, 2758560), (630, 2732288), (640, 2689596), (672, 2561520), (720, 2390752), (728, 2364480), (768, 2241330), (780, 2206848), (819, 2101760), (821, 2096640), (832, 2068920), (840, 2049216), (896, 1921140), (910, 1891584), (936, 1839040), (960, 1793064), (1008, 1707680), (1040, 1655136), (1092, 1576320), (1120, 1536912), (1152, 1494220), (1170, 1471232), (1248, 1379280), (1260, 1366144), (1280, 1344798), (1344, 1280760), (1365, 1261056), (1440, 1195376), (1456, 1182240), (1536, 1120665), (1560, 1103424), (1638, 1050880), (1642, 1048320), (1664, 1034460), (1680, 1024608), (1792, 960570), (1820, 945792), (1872, 919520), (1920, 896532), (2016, 853840), (2080, 827568), (2184, 788160), (2240, 768456), (2304, 747110), (2340, 735616), (2463, 698880), (2496, 689640), (2520, 683072), (2560, 672399), (2688, 640380), (2730, 630528), (2880, 597688), (2912, 591120), (3120, 551712), (3276, 525440), (3284, 524160), (3328, 517230), (3360, 512304), (3584, 480285), (3640, 472896), (3744, 459760), (3840, 448266), (4032, 426920), (4095, 420352), (4105, 419328), (4160, 413784), (4368, 394080), (4480, 384228), (4608, 373555), (4680, 367808), (4926, 349440), (4992, 344820), (5040, 341536), (5376, 320190), (5460, 315264), (5747, 299520), (5760, 298844), (5824, 295560), (6240, 275856), (6552, 262720), (6568, 262080), (6656, 258615), (6720, 256152), (7280, 236448), (7389, 232960), (7488, 229880), (7680, 224133), (8064, 213460), (8190, 210176), (8210, 209664), (8320, 206892), (8736, 197040), (8960, 192114), (9360, 183904), (9852, 174720), (9984, 172410), (10080, 170768), (10673, 161280), (10752, 160095), (10920, 157632), (11494, 149760), (11520, 149422), (11648, 147780), (12315, 139776), (12480, 137928), (13104, 131360), (13136, 131040), (13440, 128076), (14560, 118224), (14778, 116480), (14976, 114940), (16128, 106730), (16380, 105088), (16420, 104832), (16640, 103446), (17241, 99840), (17472, 98520), (17920, 96057), (18720, 91952), (19704, 87360), (19968, 86205), (20160, 85384), (21346, 80640), (21840, 78816), (22988, 74880), (23040, 74711), (23296, 73890), (24630, 69888), (24960, 68964), (26208, 65680), (26272, 65520), (26880, 64038), (28735, 59904), (29120, 59112), (29556, 58240), (29952, 57470), (32019, 53760), (32256, 53365), (32760, 52544), (32840, 52416), (33280, 51723), (34482, 49920), (34944, 49260), (36945, 46592), (37440, 45976), (39408, 43680), (40320, 42692)]