20511018720

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{42017}}^1$

素因数の和:42154

約数の個数: 192

約数和(自身を含む): 72425586240

約数和(自身を除く): 51914567520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 90, 96, 108, 113, 120, 135, 144, 160, 180, 216, 226, 240, 270, 288, 339, 360, 432, 452, 480, 540, 565, 678, 720, 864, 904, 1017, 1080, 1130, 1356, 1440, 1695, 1808, 2034, 2160, 2260, 2712, 3051, 3390, 3616, 4068, 4320, 4520, 5085, 5424, 6102, 6780, 8136, 9040, 10170, 10848, 12204, 13560, 15255, 16272, 18080, 20340, 24408, 27120, 30510, 32544, 40680, 42017, 48816, 54240, 61020, 81360, 84034, 97632, 122040, 126051, 162720, 168068, 210085, 244080, 252102, 336136, 378153, 420170, 488160, 504204, 630255, 672272, 756306, 840340, 1008408, 1134459, 1260510, 1344544, 1512612, 1680680, 1890765, 2016816, 2268918, 2521020, 3025224, 3361360, 3781530, 4033632, 4537836, 4747921, 5042040, 5672295, 6050448, 6722720, 7563060, 9075672, 9495842, 10084080, 11344590, 12100896, 14243763, 15126120, 18151344, 18991684, 20168160, 22689180, 23739605, 28487526, 30252240, 36302688, 37983368, 42731289, 45378360, 47479210, 56975052, 60504480, 71218815, 75966736, 85462578, 90756720, 94958420, 113950104, 128193867, 142437630, 151933472, 170925156, 181513440, 189916840, 213656445, 227900208, 256387734, 284875260, 341850312, 379833680, 427312890, 455800416, 512775468, 569750520, 640969335, 683700624, 759667360, 854625780, 1025550936, 1139501040, 1281938670, 1367401248, 1709251560, 2051101872, 2279002080, 2563877340, 3418503120, 4102203744, 5127754680, 6837006240, 10255509360, 20511018720]

約数ペア:

[(1, 20511018720), (2, 10255509360), (3, 6837006240), (4, 5127754680), (5, 4102203744), (6, 3418503120), (8, 2563877340), (9, 2279002080), (10, 2051101872), (12, 1709251560), (15, 1367401248), (16, 1281938670), (18, 1139501040), (20, 1025550936), (24, 854625780), (27, 759667360), (30, 683700624), (32, 640969335), (36, 569750520), (40, 512775468), (45, 455800416), (48, 427312890), (54, 379833680), (60, 341850312), (72, 284875260), (80, 256387734), (90, 227900208), (96, 213656445), (108, 189916840), (113, 181513440), (120, 170925156), (135, 151933472), (144, 142437630), (160, 128193867), (180, 113950104), (216, 94958420), (226, 90756720), (240, 85462578), (270, 75966736), (288, 71218815), (339, 60504480), (360, 56975052), (432, 47479210), (452, 45378360), (480, 42731289), (540, 37983368), (565, 36302688), (678, 30252240), (720, 28487526), (864, 23739605), (904, 22689180), (1017, 20168160), (1080, 18991684), (1130, 18151344), (1356, 15126120), (1440, 14243763), (1695, 12100896), (1808, 11344590), (2034, 10084080), (2160, 9495842), (2260, 9075672), (2712, 7563060), (3051, 6722720), (3390, 6050448), (3616, 5672295), (4068, 5042040), (4320, 4747921), (4520, 4537836), (5085, 4033632), (5424, 3781530), (6102, 3361360), (6780, 3025224), (8136, 2521020), (9040, 2268918), (10170, 2016816), (10848, 1890765), (12204, 1680680), (13560, 1512612), (15255, 1344544), (16272, 1260510), (18080, 1134459), (20340, 1008408), (24408, 840340), (27120, 756306), (30510, 672272), (32544, 630255), (40680, 504204), (42017, 488160), (48816, 420170), (54240, 378153), (61020, 336136), (81360, 252102), (84034, 244080), (97632, 210085), (122040, 168068), (126051, 162720)]