253647360

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1$

素因数の和:239

約数の個数: 240

約数和(自身を含む): 895288680

約数和(自身を除く): 641641320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 101, 109, 120, 128, 144, 160, 180, 192, 202, 218, 240, 256, 288, 303, 320, 327, 360, 384, 404, 436, 480, 505, 512, 545, 576, 606, 640, 654, 720, 768, 808, 872, 909, 960, 981, 1010, 1090, 1152, 1212, 1280, 1308, 1440, 1515, 1536, 1616, 1635, 1744, 1818, 1920, 1962, 2020, 2180, 2304, 2424, 2560, 2616, 2880, 3030, 3232, 3270, 3488, 3636, 3840, 3924, 4040, 4360, 4545, 4608, 4848, 4905, 5232, 5760, 6060, 6464, 6540, 6976, 7272, 7680, 7848, 8080, 8720, 9090, 9696, 9810, 10464, 11009, 11520, 12120, 12928, 13080, 13952, 14544, 15696, 16160, 17440, 18180, 19392, 19620, 20928, 22018, 23040, 24240, 25856, 26160, 27904, 29088, 31392, 32320, 33027, 34880, 36360, 38784, 39240, 41856, 44036, 48480, 51712, 52320, 55045, 55808, 58176, 62784, 64640, 66054, 69760, 72720, 77568, 78480, 83712, 88072, 96960, 99081, 104640, 110090, 116352, 125568, 129280, 132108, 139520, 145440, 155136, 156960, 165135, 167424, 176144, 193920, 198162, 209280, 220180, 232704, 251136, 258560, 264216, 279040, 290880, 313920, 330270, 352288, 387840, 396324, 418560, 440360, 465408, 495405, 502272, 528432, 581760, 627840, 660540, 704576, 775680, 792648, 837120, 880720, 990810, 1056864, 1163520, 1255680, 1321080, 1409152, 1585296, 1761440, 1981620, 2113728, 2327040, 2511360, 2642160, 2818304, 3170592, 3522880, 3963240, 4227456, 5284320, 5636608, 6341184, 7045760, 7926480, 8454912, 10568640, 12682368, 14091520, 15852960, 16909824, 21137280, 25364736, 28183040, 31705920, 42274560, 50729472, 63411840, 84549120, 126823680, 253647360]

約数ペア:

[(1, 253647360), (2, 126823680), (3, 84549120), (4, 63411840), (5, 50729472), (6, 42274560), (8, 31705920), (9, 28183040), (10, 25364736), (12, 21137280), (15, 16909824), (16, 15852960), (18, 14091520), (20, 12682368), (24, 10568640), (30, 8454912), (32, 7926480), (36, 7045760), (40, 6341184), (45, 5636608), (48, 5284320), (60, 4227456), (64, 3963240), (72, 3522880), (80, 3170592), (90, 2818304), (96, 2642160), (101, 2511360), (109, 2327040), (120, 2113728), (128, 1981620), (144, 1761440), (160, 1585296), (180, 1409152), (192, 1321080), (202, 1255680), (218, 1163520), (240, 1056864), (256, 990810), (288, 880720), (303, 837120), (320, 792648), (327, 775680), (360, 704576), (384, 660540), (404, 627840), (436, 581760), (480, 528432), (505, 502272), (512, 495405), (545, 465408), (576, 440360), (606, 418560), (640, 396324), (654, 387840), (720, 352288), (768, 330270), (808, 313920), (872, 290880), (909, 279040), (960, 264216), (981, 258560), (1010, 251136), (1090, 232704), (1152, 220180), (1212, 209280), (1280, 198162), (1308, 193920), (1440, 176144), (1515, 167424), (1536, 165135), (1616, 156960), (1635, 155136), (1744, 145440), (1818, 139520), (1920, 132108), (1962, 129280), (2020, 125568), (2180, 116352), (2304, 110090), (2424, 104640), (2560, 99081), (2616, 96960), (2880, 88072), (3030, 83712), (3232, 78480), (3270, 77568), (3488, 72720), (3636, 69760), (3840, 66054), (3924, 64640), (4040, 62784), (4360, 58176), (4545, 55808), (4608, 55045), (4848, 52320), (4905, 51712), (5232, 48480), (5760, 44036), (6060, 41856), (6464, 39240), (6540, 38784), (6976, 36360), (7272, 34880), (7680, 33027), (7848, 32320), (8080, 31392), (8720, 29088), (9090, 27904), (9696, 26160), (9810, 25856), (10464, 24240), (11009, 23040), (11520, 22018), (12120, 20928), (12928, 19620), (13080, 19392), (13952, 18180), (14544, 17440), (15696, 16160)]