1640311680

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{127}}^1$

素因数の和:218

約数の個数: 384

約数和(自身を含む): 6223011840

約数和(自身を除く): 4582700160

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, 127, 128, 140, 155, 160, 168, 186, 192, 210, 217, 224, 240, 248, 254, 280, 310, 320, 336, 372, 381, 384, 420, 434, 448, 465, 480, 496, 508, 560, 620, 635, 640, 651, 672, 744, 762, 840, 868, 889, 896, 930, 960, 961, 992, 1016, 1085, 1120, 1240, 1270, 1302, 1344, 1488, 1524, 1680, 1736, 1778, 1860, 1905, 1920, 1922, 1984, 2032, 2170, 2240, 2480, 2540, 2604, 2667, 2688, 2883, 2976, 3048, 3255, 3360, 3472, 3556, 3720, 3810, 3844, 3937, 3968, 4064, 4340, 4445, 4480, 4805, 4960, 5080, 5208, 5334, 5766, 5952, 6096, 6510, 6720, 6727, 6944, 7112, 7440, 7620, 7688, 7874, 8128, 8680, 8890, 9610, 9920, 10160, 10416, 10668, 11532, 11811, 11904, 12192, 13020, 13335, 13440, 13454, 13888, 14224, 14415, 14880, 15240, 15376, 15748, 16256, 17360, 17780, 19220, 19685, 19840, 20181, 20320, 20832, 21336, 23064, 23622, 24384, 26040, 26670, 26908, 27559, 27776, 28448, 28830, 29760, 30480, 30752, 31496, 33635, 34720, 35560, 38440, 39370, 40362, 40640, 41664, 42672, 46128, 47244, 48768, 52080, 53340, 53816, 55118, 56896, 57660, 59055, 59520, 60960, 61504, 62992, 67270, 69440, 71120, 76880, 78740, 80724, 81280, 82677, 83328, 85344, 92256, 94488, 100905, 104160, 106680, 107632, 110236, 113792, 115320, 118110, 121920, 122047, 123008, 125984, 134540, 137795, 138880, 142240, 153760, 157480, 161448, 165354, 170688, 184512, 188976, 201810, 208320, 213360, 215264, 220472, 230640, 236220, 243840, 244094, 251968, 269080, 275590, 284480, 307520, 314960, 322896, 330708, 341376, 366141, 369024, 377952, 403620, 413385, 416640, 426720, 430528, 440944, 461280, 472440, 488188, 503936, 538160, 551180, 568960, 610235, 615040, 629920, 645792, 661416, 732282, 755904, 807240, 826770, 853440, 854329, 861056, 881888, 922560, 944880, 976376, 1076320, 1102360, 1220470, 1259840, 1291584, 1322832, 1464564, 1511808, 1614480, 1653540, 1706880, 1708658, 1763776, 1830705, 1845120, 1889760, 1952752, 2152640, 2204720, 2440940, 2519680, 2562987, 2583168, 2645664, 2929128, 3228960, 3307080, 3417316, 3527552, 3661410, 3779520, 3905504, 4271645, 4305280, 4409440, 4881880, 5125974, 5291328, 5858256, 6457920, 6614160, 6834632, 7322820, 7559040, 7811008, 8543290, 8818880, 9763760, 10251948, 10582656, 11716512, 12814935, 12915840, 13228320, 13669264, 14645640, 15622016, 17086580, 17637760, 19527520, 20503896, 23433024, 25629870, 26456640, 27338528, 29291280, 34173160, 39055040, 41007792, 46866048, 51259740, 52913280, 54677056, 58582560, 68346320, 78110080, 82015584, 102519480, 109354112, 117165120, 136692640, 164031168, 205038960, 234330240, 273385280, 328062336, 410077920, 546770560, 820155840, 1640311680]

約数ペア:

[(1, 1640311680), (2, 820155840), (3, 546770560), (4, 410077920), (5, 328062336), (6, 273385280), (7, 234330240), (8, 205038960), (10, 164031168), (12, 136692640), (14, 117165120), (15, 109354112), (16, 102519480), (20, 82015584), (21, 78110080), (24, 68346320), (28, 58582560), (30, 54677056), (31, 52913280), (32, 51259740), (35, 46866048), (40, 41007792), (42, 39055040), (48, 34173160), (56, 29291280), (60, 27338528), (62, 26456640), (64, 25629870), (70, 23433024), (80, 20503896), (84, 19527520), (93, 17637760), (96, 17086580), (105, 15622016), (112, 14645640), (120, 13669264), (124, 13228320), (127, 12915840), (128, 12814935), (140, 11716512), (155, 10582656), (160, 10251948), (168, 9763760), (186, 8818880), (192, 8543290), (210, 7811008), (217, 7559040), (224, 7322820), (240, 6834632), (248, 6614160), (254, 6457920), (280, 5858256), (310, 5291328), (320, 5125974), (336, 4881880), (372, 4409440), (381, 4305280), (384, 4271645), (420, 3905504), (434, 3779520), (448, 3661410), (465, 3527552), (480, 3417316), (496, 3307080), (508, 3228960), (560, 2929128), (620, 2645664), (635, 2583168), (640, 2562987), (651, 2519680), (672, 2440940), (744, 2204720), (762, 2152640), (840, 1952752), (868, 1889760), (889, 1845120), (896, 1830705), (930, 1763776), (960, 1708658), (961, 1706880), (992, 1653540), (1016, 1614480), (1085, 1511808), (1120, 1464564), (1240, 1322832), (1270, 1291584), (1302, 1259840), (1344, 1220470), (1488, 1102360), (1524, 1076320), (1680, 976376), (1736, 944880), (1778, 922560), (1860, 881888), (1905, 861056), (1920, 854329), (1922, 853440), (1984, 826770), (2032, 807240), (2170, 755904), (2240, 732282), (2480, 661416), (2540, 645792), (2604, 629920), (2667, 615040), (2688, 610235), (2883, 568960), (2976, 551180), (3048, 538160), (3255, 503936), (3360, 488188), (3472, 472440), (3556, 461280), (3720, 440944), (3810, 430528), (3844, 426720), (3937, 416640), (3968, 413385), (4064, 403620), (4340, 377952), (4445, 369024), (4480, 366141), (4805, 341376), (4960, 330708), (5080, 322896), (5208, 314960), (5334, 307520), (5766, 284480), (5952, 275590), (6096, 269080), (6510, 251968), (6720, 244094), (6727, 243840), (6944, 236220), (7112, 230640), (7440, 220472), (7620, 215264), (7688, 213360), (7874, 208320), (8128, 201810), (8680, 188976), (8890, 184512), (9610, 170688), (9920, 165354), (10160, 161448), (10416, 157480), (10668, 153760), (11532, 142240), (11811, 138880), (11904, 137795), (12192, 134540), (13020, 125984), (13335, 123008), (13440, 122047), (13454, 121920), (13888, 118110), (14224, 115320), (14415, 113792), (14880, 110236), (15240, 107632), (15376, 106680), (15748, 104160), (16256, 100905), (17360, 94488), (17780, 92256), (19220, 85344), (19685, 83328), (19840, 82677), (20181, 81280), (20320, 80724), (20832, 78740), (21336, 76880), (23064, 71120), (23622, 69440), (24384, 67270), (26040, 62992), (26670, 61504), (26908, 60960), (27559, 59520), (27776, 59055), (28448, 57660), (28830, 56896), (29760, 55118), (30480, 53816), (30752, 53340), (31496, 52080), (33635, 48768), (34720, 47244), (35560, 46128), (38440, 42672), (39370, 41664), (40362, 40640)]