20427874560

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{104309}}^1$

素因数の和:104353

約数の個数: 216

約数和(自身を含む): 74836583640

約数和(自身を除く): 54408709080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 32, 34, 36, 40, 45, 48, 51, 60, 64, 68, 72, 80, 85, 90, 96, 102, 120, 128, 136, 144, 153, 160, 170, 180, 192, 204, 240, 255, 256, 272, 288, 306, 320, 340, 360, 384, 408, 480, 510, 544, 576, 612, 640, 680, 720, 765, 768, 816, 960, 1020, 1088, 1152, 1224, 1280, 1360, 1440, 1530, 1632, 1920, 2040, 2176, 2304, 2448, 2720, 2880, 3060, 3264, 3840, 4080, 4352, 4896, 5440, 5760, 6120, 6528, 8160, 9792, 10880, 11520, 12240, 13056, 16320, 19584, 21760, 24480, 32640, 39168, 48960, 65280, 97920, 104309, 195840, 208618, 312927, 417236, 521545, 625854, 834472, 938781, 1043090, 1251708, 1564635, 1668944, 1773253, 1877562, 2086180, 2503416, 3129270, 3337888, 3546506, 3755124, 4172360, 4693905, 5006832, 5319759, 6258540, 6675776, 7093012, 7510248, 8344720, 8866265, 9387810, 10013664, 10639518, 12517080, 13351552, 14186024, 15020496, 15959277, 16689440, 17732530, 18775620, 20027328, 21279036, 25034160, 26598795, 26703104, 28372048, 30040992, 31918554, 33378880, 35465060, 37551240, 40054656, 42558072, 50068320, 53197590, 56744096, 60081984, 63837108, 66757760, 70930120, 75102480, 79796385, 80109312, 85116144, 100136640, 106395180, 113488192, 120163968, 127674216, 133515520, 141860240, 150204960, 159592770, 170232288, 200273280, 212790360, 226976384, 240327936, 255348432, 283720480, 300409920, 319185540, 340464576, 400546560, 425580720, 453952768, 510696864, 567440960, 600819840, 638371080, 680929152, 851161440, 1021393728, 1134881920, 1201639680, 1276742160, 1361858304, 1702322880, 2042787456, 2269763840, 2553484320, 3404645760, 4085574912, 5106968640, 6809291520, 10213937280, 20427874560]

約数ペア:

[(1, 20427874560), (2, 10213937280), (3, 6809291520), (4, 5106968640), (5, 4085574912), (6, 3404645760), (8, 2553484320), (9, 2269763840), (10, 2042787456), (12, 1702322880), (15, 1361858304), (16, 1276742160), (17, 1201639680), (18, 1134881920), (20, 1021393728), (24, 851161440), (30, 680929152), (32, 638371080), (34, 600819840), (36, 567440960), (40, 510696864), (45, 453952768), (48, 425580720), (51, 400546560), (60, 340464576), (64, 319185540), (68, 300409920), (72, 283720480), (80, 255348432), (85, 240327936), (90, 226976384), (96, 212790360), (102, 200273280), (120, 170232288), (128, 159592770), (136, 150204960), (144, 141860240), (153, 133515520), (160, 127674216), (170, 120163968), (180, 113488192), (192, 106395180), (204, 100136640), (240, 85116144), (255, 80109312), (256, 79796385), (272, 75102480), (288, 70930120), (306, 66757760), (320, 63837108), (340, 60081984), (360, 56744096), (384, 53197590), (408, 50068320), (480, 42558072), (510, 40054656), (544, 37551240), (576, 35465060), (612, 33378880), (640, 31918554), (680, 30040992), (720, 28372048), (765, 26703104), (768, 26598795), (816, 25034160), (960, 21279036), (1020, 20027328), (1088, 18775620), (1152, 17732530), (1224, 16689440), (1280, 15959277), (1360, 15020496), (1440, 14186024), (1530, 13351552), (1632, 12517080), (1920, 10639518), (2040, 10013664), (2176, 9387810), (2304, 8866265), (2448, 8344720), (2720, 7510248), (2880, 7093012), (3060, 6675776), (3264, 6258540), (3840, 5319759), (4080, 5006832), (4352, 4693905), (4896, 4172360), (5440, 3755124), (5760, 3546506), (6120, 3337888), (6528, 3129270), (8160, 2503416), (9792, 2086180), (10880, 1877562), (11520, 1773253), (12240, 1668944), (13056, 1564635), (16320, 1251708), (19584, 1043090), (21760, 938781), (24480, 834472), (32640, 625854), (39168, 521545), (48960, 417236), (65280, 312927), (97920, 208618), (104309, 195840)]