51207840

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{827}}^1$

素因数の和:891

約数の個数: 144

約数和(自身を含む): 179026848

約数和(自身を除く): 127819008

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 43, 45, 48, 60, 72, 80, 86, 90, 96, 120, 129, 144, 160, 172, 180, 215, 240, 258, 288, 344, 360, 387, 430, 480, 516, 645, 688, 720, 774, 827, 860, 1032, 1290, 1376, 1440, 1548, 1654, 1720, 1935, 2064, 2481, 2580, 3096, 3308, 3440, 3870, 4128, 4135, 4962, 5160, 6192, 6616, 6880, 7443, 7740, 8270, 9924, 10320, 12384, 12405, 13232, 14886, 15480, 16540, 19848, 20640, 24810, 26464, 29772, 30960, 33080, 35561, 37215, 39696, 49620, 59544, 61920, 66160, 71122, 74430, 79392, 99240, 106683, 119088, 132320, 142244, 148860, 177805, 198480, 213366, 238176, 284488, 297720, 320049, 355610, 396960, 426732, 533415, 568976, 595440, 640098, 711220, 853464, 1066830, 1137952, 1190880, 1280196, 1422440, 1600245, 1706928, 2133660, 2560392, 2844880, 3200490, 3413856, 4267320, 5120784, 5689760, 6400980, 8534640, 10241568, 12801960, 17069280, 25603920, 51207840]

約数ペア:

[(1, 51207840), (2, 25603920), (3, 17069280), (4, 12801960), (5, 10241568), (6, 8534640), (8, 6400980), (9, 5689760), (10, 5120784), (12, 4267320), (15, 3413856), (16, 3200490), (18, 2844880), (20, 2560392), (24, 2133660), (30, 1706928), (32, 1600245), (36, 1422440), (40, 1280196), (43, 1190880), (45, 1137952), (48, 1066830), (60, 853464), (72, 711220), (80, 640098), (86, 595440), (90, 568976), (96, 533415), (120, 426732), (129, 396960), (144, 355610), (160, 320049), (172, 297720), (180, 284488), (215, 238176), (240, 213366), (258, 198480), (288, 177805), (344, 148860), (360, 142244), (387, 132320), (430, 119088), (480, 106683), (516, 99240), (645, 79392), (688, 74430), (720, 71122), (774, 66160), (827, 61920), (860, 59544), (1032, 49620), (1290, 39696), (1376, 37215), (1440, 35561), (1548, 33080), (1654, 30960), (1720, 29772), (1935, 26464), (2064, 24810), (2481, 20640), (2580, 19848), (3096, 16540), (3308, 15480), (3440, 14886), (3870, 13232), (4128, 12405), (4135, 12384), (4962, 10320), (5160, 9924), (6192, 8270), (6616, 7740), (6880, 7443)]