261116640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4217}}^1$

素因数の和:4281

約数の個数: 144

約数和(自身を含む): 911999088

約数和(自身を除く): 650882448

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, 860, 1032, 1290, 1376, 1440, 1548, 1720, 1935, 2064, 2580, 3096, 3440, 3870, 4128, 4217, 5160, 6192, 6880, 7740, 8434, 10320, 12384, 12651, 15480, 16868, 20640, 21085, 25302, 30960, 33736, 37953, 42170, 50604, 61920, 63255, 67472, 75906, 84340, 101208, 126510, 134944, 151812, 168680, 181331, 189765, 202416, 253020, 303624, 337360, 362662, 379530, 404832, 506040, 543993, 607248, 674720, 725324, 759060, 906655, 1012080, 1087986, 1214496, 1450648, 1518120, 1631979, 1813310, 2024160, 2175972, 2719965, 2901296, 3036240, 3263958, 3626620, 4351944, 5439930, 5802592, 6072480, 6527916, 7253240, 8159895, 8703888, 10879860, 13055832, 14506480, 16319790, 17407776, 21759720, 26111664, 29012960, 32639580, 43519440, 52223328, 65279160, 87038880, 130558320, 261116640]

約数ペア:

[(1, 261116640), (2, 130558320), (3, 87038880), (4, 65279160), (5, 52223328), (6, 43519440), (8, 32639580), (9, 29012960), (10, 26111664), (12, 21759720), (15, 17407776), (16, 16319790), (18, 14506480), (20, 13055832), (24, 10879860), (30, 8703888), (32, 8159895), (36, 7253240), (40, 6527916), (43, 6072480), (45, 5802592), (48, 5439930), (60, 4351944), (72, 3626620), (80, 3263958), (86, 3036240), (90, 2901296), (96, 2719965), (120, 2175972), (129, 2024160), (144, 1813310), (160, 1631979), (172, 1518120), (180, 1450648), (215, 1214496), (240, 1087986), (258, 1012080), (288, 906655), (344, 759060), (360, 725324), (387, 674720), (430, 607248), (480, 543993), (516, 506040), (645, 404832), (688, 379530), (720, 362662), (774, 337360), (860, 303624), (1032, 253020), (1290, 202416), (1376, 189765), (1440, 181331), (1548, 168680), (1720, 151812), (1935, 134944), (2064, 126510), (2580, 101208), (3096, 84340), (3440, 75906), (3870, 67472), (4128, 63255), (4217, 61920), (5160, 50604), (6192, 42170), (6880, 37953), (7740, 33736), (8434, 30960), (10320, 25302), (12384, 21085), (12651, 20640), (15480, 16868)]