31705920

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1$

素因数の和:233

約数の個数: 168

約数和(自身を含む): 111145320

約数和(自身を除く): 79439400

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, 144, 160, 180, 192, 202, 218, 240, 288, 303, 320, 327, 360, 404, 436, 480, 505, 545, 576, 606, 654, 720, 808, 872, 909, 960, 981, 1010, 1090, 1212, 1308, 1440, 1515, 1616, 1635, 1744, 1818, 1962, 2020, 2180, 2424, 2616, 2880, 3030, 3232, 3270, 3488, 3636, 3924, 4040, 4360, 4545, 4848, 4905, 5232, 6060, 6464, 6540, 6976, 7272, 7848, 8080, 8720, 9090, 9696, 9810, 10464, 11009, 12120, 13080, 14544, 15696, 16160, 17440, 18180, 19392, 19620, 20928, 22018, 24240, 26160, 29088, 31392, 32320, 33027, 34880, 36360, 39240, 44036, 48480, 52320, 55045, 58176, 62784, 66054, 72720, 78480, 88072, 96960, 99081, 104640, 110090, 132108, 145440, 156960, 165135, 176144, 198162, 220180, 264216, 290880, 313920, 330270, 352288, 396324, 440360, 495405, 528432, 660540, 704576, 792648, 880720, 990810, 1056864, 1321080, 1585296, 1761440, 1981620, 2113728, 2642160, 3170592, 3522880, 3963240, 5284320, 6341184, 7926480, 10568640, 15852960, 31705920]

約数ペア:

[(1, 31705920), (2, 15852960), (3, 10568640), (4, 7926480), (5, 6341184), (6, 5284320), (8, 3963240), (9, 3522880), (10, 3170592), (12, 2642160), (15, 2113728), (16, 1981620), (18, 1761440), (20, 1585296), (24, 1321080), (30, 1056864), (32, 990810), (36, 880720), (40, 792648), (45, 704576), (48, 660540), (60, 528432), (64, 495405), (72, 440360), (80, 396324), (90, 352288), (96, 330270), (101, 313920), (109, 290880), (120, 264216), (144, 220180), (160, 198162), (180, 176144), (192, 165135), (202, 156960), (218, 145440), (240, 132108), (288, 110090), (303, 104640), (320, 99081), (327, 96960), (360, 88072), (404, 78480), (436, 72720), (480, 66054), (505, 62784), (545, 58176), (576, 55045), (606, 52320), (654, 48480), (720, 44036), (808, 39240), (872, 36360), (909, 34880), (960, 33027), (981, 32320), (1010, 31392), (1090, 29088), (1212, 26160), (1308, 24240), (1440, 22018), (1515, 20928), (1616, 19620), (1635, 19392), (1744, 18180), (1818, 17440), (1962, 16160), (2020, 15696), (2180, 14544), (2424, 13080), (2616, 12120), (2880, 11009), (3030, 10464), (3232, 9810), (3270, 9696), (3488, 9090), (3636, 8720), (3924, 8080), (4040, 7848), (4360, 7272), (4545, 6976), (4848, 6540), (4905, 6464), (5232, 6060)]