20949600

素因数分解:

$2^5\times 3^1\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1$

素因数の和:102

約数の個数: 288

約数和(自身を含む): 82494720

約数和(自身を除く): 61545120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 29, 30, 32, 35, 40, 42, 43, 48, 50, 56, 58, 60, 70, 75, 80, 84, 86, 87, 96, 100, 105, 112, 116, 120, 129, 140, 145, 150, 160, 168, 172, 174, 175, 200, 203, 210, 215, 224, 232, 240, 258, 280, 290, 300, 301, 336, 344, 348, 350, 400, 406, 420, 430, 435, 464, 480, 516, 525, 560, 580, 600, 602, 609, 645, 672, 688, 696, 700, 725, 800, 812, 840, 860, 870, 903, 928, 1015, 1032, 1050, 1075, 1120, 1160, 1200, 1204, 1218, 1247, 1290, 1376, 1392, 1400, 1450, 1505, 1624, 1680, 1720, 1740, 1806, 2030, 2064, 2100, 2150, 2175, 2320, 2400, 2408, 2436, 2494, 2580, 2784, 2800, 2900, 3010, 3045, 3225, 3248, 3360, 3440, 3480, 3612, 3741, 4060, 4128, 4200, 4300, 4350, 4515, 4640, 4816, 4872, 4988, 5075, 5160, 5600, 5800, 6020, 6090, 6235, 6450, 6496, 6880, 6960, 7224, 7482, 7525, 8120, 8400, 8600, 8700, 8729, 9030, 9632, 9744, 9976, 10150, 10320, 11600, 12040, 12180, 12470, 12900, 13920, 14448, 14964, 15050, 15225, 16240, 16800, 17200, 17400, 17458, 18060, 18705, 19488, 19952, 20300, 20640, 22575, 23200, 24080, 24360, 24940, 25800, 26187, 28896, 29928, 30100, 30450, 31175, 32480, 34400, 34800, 34916, 36120, 37410, 39904, 40600, 43645, 45150, 48160, 48720, 49880, 51600, 52374, 59856, 60200, 60900, 62350, 69600, 69832, 72240, 74820, 81200, 87290, 90300, 93525, 97440, 99760, 103200, 104748, 119712, 120400, 121800, 124700, 130935, 139664, 144480, 149640, 162400, 174580, 180600, 187050, 199520, 209496, 218225, 240800, 243600, 249400, 261870, 279328, 299280, 349160, 361200, 374100, 418992, 436450, 487200, 498800, 523740, 598560, 654675, 698320, 722400, 748200, 837984, 872900, 997600, 1047480, 1309350, 1396640, 1496400, 1745800, 2094960, 2618700, 2992800, 3491600, 4189920, 5237400, 6983200, 10474800, 20949600]

約数ペア:

[(1, 20949600), (2, 10474800), (3, 6983200), (4, 5237400), (5, 4189920), (6, 3491600), (7, 2992800), (8, 2618700), (10, 2094960), (12, 1745800), (14, 1496400), (15, 1396640), (16, 1309350), (20, 1047480), (21, 997600), (24, 872900), (25, 837984), (28, 748200), (29, 722400), (30, 698320), (32, 654675), (35, 598560), (40, 523740), (42, 498800), (43, 487200), (48, 436450), (50, 418992), (56, 374100), (58, 361200), (60, 349160), (70, 299280), (75, 279328), (80, 261870), (84, 249400), (86, 243600), (87, 240800), (96, 218225), (100, 209496), (105, 199520), (112, 187050), (116, 180600), (120, 174580), (129, 162400), (140, 149640), (145, 144480), (150, 139664), (160, 130935), (168, 124700), (172, 121800), (174, 120400), (175, 119712), (200, 104748), (203, 103200), (210, 99760), (215, 97440), (224, 93525), (232, 90300), (240, 87290), (258, 81200), (280, 74820), (290, 72240), (300, 69832), (301, 69600), (336, 62350), (344, 60900), (348, 60200), (350, 59856), (400, 52374), (406, 51600), (420, 49880), (430, 48720), (435, 48160), (464, 45150), (480, 43645), (516, 40600), (525, 39904), (560, 37410), (580, 36120), (600, 34916), (602, 34800), (609, 34400), (645, 32480), (672, 31175), (688, 30450), (696, 30100), (700, 29928), (725, 28896), (800, 26187), (812, 25800), (840, 24940), (860, 24360), (870, 24080), (903, 23200), (928, 22575), (1015, 20640), (1032, 20300), (1050, 19952), (1075, 19488), (1120, 18705), (1160, 18060), (1200, 17458), (1204, 17400), (1218, 17200), (1247, 16800), (1290, 16240), (1376, 15225), (1392, 15050), (1400, 14964), (1450, 14448), (1505, 13920), (1624, 12900), (1680, 12470), (1720, 12180), (1740, 12040), (1806, 11600), (2030, 10320), (2064, 10150), (2100, 9976), (2150, 9744), (2175, 9632), (2320, 9030), (2400, 8729), (2408, 8700), (2436, 8600), (2494, 8400), (2580, 8120), (2784, 7525), (2800, 7482), (2900, 7224), (3010, 6960), (3045, 6880), (3225, 6496), (3248, 6450), (3360, 6235), (3440, 6090), (3480, 6020), (3612, 5800), (3741, 5600), (4060, 5160), (4128, 5075), (4200, 4988), (4300, 4872), (4350, 4816), (4515, 4640)]