20901473280

素因数分解:

$2^{10}\times 3^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{499}}^1$

素因数の和:637

約数の個数: 440

約数和(自身を含む): 75792222000

約数和(自身を除く): 54890748720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 101, 108, 120, 128, 135, 144, 160, 162, 180, 192, 202, 216, 240, 256, 270, 288, 303, 320, 324, 360, 384, 404, 405, 432, 480, 499, 505, 512, 540, 576, 606, 640, 648, 720, 768, 808, 810, 864, 909, 960, 998, 1010, 1024, 1080, 1152, 1212, 1280, 1296, 1440, 1497, 1515, 1536, 1616, 1620, 1728, 1818, 1920, 1996, 2020, 2160, 2304, 2424, 2495, 2560, 2592, 2727, 2880, 2994, 3030, 3072, 3232, 3240, 3456, 3636, 3840, 3992, 4040, 4320, 4491, 4545, 4608, 4848, 4990, 5120, 5184, 5454, 5760, 5988, 6060, 6464, 6480, 6912, 7272, 7485, 7680, 7984, 8080, 8181, 8640, 8982, 9090, 9216, 9696, 9980, 10368, 10908, 11520, 11976, 12120, 12928, 12960, 13473, 13635, 13824, 14544, 14970, 15360, 15968, 16160, 16362, 17280, 17964, 18180, 19392, 19960, 20736, 21816, 22455, 23040, 23952, 24240, 25856, 25920, 26946, 27270, 27648, 29088, 29940, 31936, 32320, 32724, 34560, 35928, 36360, 38784, 39920, 40419, 40905, 41472, 43632, 44910, 46080, 47904, 48480, 50399, 51712, 51840, 53892, 54540, 58176, 59880, 63872, 64640, 65448, 67365, 69120, 71856, 72720, 77568, 79840, 80838, 81810, 82944, 87264, 89820, 95808, 96960, 100798, 103424, 103680, 107784, 109080, 116352, 119760, 127744, 129280, 130896, 134730, 138240, 143712, 145440, 151197, 155136, 159680, 161676, 163620, 174528, 179640, 191616, 193920, 201596, 202095, 207360, 215568, 218160, 232704, 239520, 251995, 255488, 258560, 261792, 269460, 287424, 290880, 302394, 310272, 319360, 323352, 327240, 349056, 359280, 383232, 387840, 403192, 404190, 414720, 431136, 436320, 453591, 465408, 479040, 503990, 510976, 517120, 523584, 538920, 574848, 581760, 604788, 638720, 646704, 654480, 698112, 718560, 755985, 766464, 775680, 806384, 808380, 862272, 872640, 907182, 930816, 958080, 1007980, 1047168, 1077840, 1149696, 1163520, 1209576, 1277440, 1293408, 1308960, 1360773, 1396224, 1437120, 1511970, 1532928, 1551360, 1612768, 1616760, 1724544, 1745280, 1814364, 1916160, 2015960, 2094336, 2155680, 2267955, 2299392, 2327040, 2419152, 2554880, 2586816, 2617920, 2721546, 2792448, 2874240, 3023940, 3225536, 3233520, 3449088, 3490560, 3628728, 3832320, 4031920, 4082319, 4188672, 4311360, 4535910, 4598784, 4654080, 4838304, 5173632, 5235840, 5443092, 5748480, 6047880, 6451072, 6467040, 6803865, 6898176, 6981120, 7257456, 7664640, 8063840, 8164638, 8377344, 8622720, 9071820, 9676608, 10347264, 10471680, 10886184, 11496960, 12095760, 12902144, 12934080, 13607730, 13796352, 13962240, 14514912, 16127680, 16329276, 17245440, 18143640, 19353216, 20411595, 20694528, 20943360, 21772368, 22993920, 24191520, 25804288, 25868160, 27215460, 29029824, 32255360, 32658552, 34490880, 36287280, 38706432, 40823190, 41389056, 41886720, 43544736, 48383040, 51608576, 51736320, 54430920, 58059648, 64510720, 65317104, 68981760, 72574560, 77412864, 81646380, 87089472, 96766080, 103472640, 108861840, 116119296, 129021440, 130634208, 145149120, 154825728, 163292760, 174178944, 193532160, 206945280, 217723680, 232238592, 258042880, 261268416, 290298240, 326585520, 348357888, 387064320, 435447360, 464477184, 522536832, 580596480, 653171040, 696715776, 774128640, 870894720, 1045073664, 1161192960, 1306342080, 1393431552, 1741789440, 2090147328, 2322385920, 2612684160, 3483578880, 4180294656, 5225368320, 6967157760, 10450736640, 20901473280]

約数ペア:

[(1, 20901473280), (2, 10450736640), (3, 6967157760), (4, 5225368320), (5, 4180294656), (6, 3483578880), (8, 2612684160), (9, 2322385920), (10, 2090147328), (12, 1741789440), (15, 1393431552), (16, 1306342080), (18, 1161192960), (20, 1045073664), (24, 870894720), (27, 774128640), (30, 696715776), (32, 653171040), (36, 580596480), (40, 522536832), (45, 464477184), (48, 435447360), (54, 387064320), (60, 348357888), (64, 326585520), (72, 290298240), (80, 261268416), (81, 258042880), (90, 232238592), (96, 217723680), (101, 206945280), (108, 193532160), (120, 174178944), (128, 163292760), (135, 154825728), (144, 145149120), (160, 130634208), (162, 129021440), (180, 116119296), (192, 108861840), (202, 103472640), (216, 96766080), (240, 87089472), (256, 81646380), (270, 77412864), (288, 72574560), (303, 68981760), (320, 65317104), (324, 64510720), (360, 58059648), (384, 54430920), (404, 51736320), (405, 51608576), (432, 48383040), (480, 43544736), (499, 41886720), (505, 41389056), (512, 40823190), (540, 38706432), (576, 36287280), (606, 34490880), (640, 32658552), (648, 32255360), (720, 29029824), (768, 27215460), (808, 25868160), (810, 25804288), (864, 24191520), (909, 22993920), (960, 21772368), (998, 20943360), (1010, 20694528), (1024, 20411595), (1080, 19353216), (1152, 18143640), (1212, 17245440), (1280, 16329276), (1296, 16127680), (1440, 14514912), (1497, 13962240), (1515, 13796352), (1536, 13607730), (1616, 12934080), (1620, 12902144), (1728, 12095760), (1818, 11496960), (1920, 10886184), (1996, 10471680), (2020, 10347264), (2160, 9676608), (2304, 9071820), (2424, 8622720), (2495, 8377344), (2560, 8164638), (2592, 8063840), (2727, 7664640), (2880, 7257456), (2994, 6981120), (3030, 6898176), (3072, 6803865), (3232, 6467040), (3240, 6451072), (3456, 6047880), (3636, 5748480), (3840, 5443092), (3992, 5235840), (4040, 5173632), (4320, 4838304), (4491, 4654080), (4545, 4598784), (4608, 4535910), (4848, 4311360), (4990, 4188672), (5120, 4082319), (5184, 4031920), (5454, 3832320), (5760, 3628728), (5988, 3490560), (6060, 3449088), (6464, 3233520), (6480, 3225536), (6912, 3023940), (7272, 2874240), (7485, 2792448), (7680, 2721546), (7984, 2617920), (8080, 2586816), (8181, 2554880), (8640, 2419152), (8982, 2327040), (9090, 2299392), (9216, 2267955), (9696, 2155680), (9980, 2094336), (10368, 2015960), (10908, 1916160), (11520, 1814364), (11976, 1745280), (12120, 1724544), (12928, 1616760), (12960, 1612768), (13473, 1551360), (13635, 1532928), (13824, 1511970), (14544, 1437120), (14970, 1396224), (15360, 1360773), (15968, 1308960), (16160, 1293408), (16362, 1277440), (17280, 1209576), (17964, 1163520), (18180, 1149696), (19392, 1077840), (19960, 1047168), (20736, 1007980), (21816, 958080), (22455, 930816), (23040, 907182), (23952, 872640), (24240, 862272), (25856, 808380), (25920, 806384), (26946, 775680), (27270, 766464), (27648, 755985), (29088, 718560), (29940, 698112), (31936, 654480), (32320, 646704), (32724, 638720), (34560, 604788), (35928, 581760), (36360, 574848), (38784, 538920), (39920, 523584), (40419, 517120), (40905, 510976), (41472, 503990), (43632, 479040), (44910, 465408), (46080, 453591), (47904, 436320), (48480, 431136), (50399, 414720), (51712, 404190), (51840, 403192), (53892, 387840), (54540, 383232), (58176, 359280), (59880, 349056), (63872, 327240), (64640, 323352), (65448, 319360), (67365, 310272), (69120, 302394), (71856, 290880), (72720, 287424), (77568, 269460), (79840, 261792), (80838, 258560), (81810, 255488), (82944, 251995), (87264, 239520), (89820, 232704), (95808, 218160), (96960, 215568), (100798, 207360), (103424, 202095), (103680, 201596), (107784, 193920), (109080, 191616), (116352, 179640), (119760, 174528), (127744, 163620), (129280, 161676), (130896, 159680), (134730, 155136), (138240, 151197), (143712, 145440)]