21554037360

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{9978721}}^1$

素因数の和:9978743

約数の個数: 80

約数和(自身を含む): 74241691680

約数和(自身を除く): 52687654320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 9978721, 19957442, 29936163, 39914884, 49893605, 59872326, 79829768, 89808489, 99787210, 119744652, 149680815, 159659536, 179616978, 199574420, 239489304, 269425467, 299361630, 359233956, 399148840, 449042445, 478978608, 538850934, 598723260, 718467912, 798297680, 898084890, 1077701868, 1197446520, 1347127335, 1436935824, 1796169780, 2155403736, 2394893040, 2694254670, 3592339560, 4310807472, 5388509340, 7184679120, 10777018680, 21554037360]

約数ペア:

[(1, 21554037360), (2, 10777018680), (3, 7184679120), (4, 5388509340), (5, 4310807472), (6, 3592339560), (8, 2694254670), (9, 2394893040), (10, 2155403736), (12, 1796169780), (15, 1436935824), (16, 1347127335), (18, 1197446520), (20, 1077701868), (24, 898084890), (27, 798297680), (30, 718467912), (36, 598723260), (40, 538850934), (45, 478978608), (48, 449042445), (54, 399148840), (60, 359233956), (72, 299361630), (80, 269425467), (90, 239489304), (108, 199574420), (120, 179616978), (135, 159659536), (144, 149680815), (180, 119744652), (216, 99787210), (240, 89808489), (270, 79829768), (360, 59872326), (432, 49893605), (540, 39914884), (720, 29936163), (1080, 19957442), (2160, 9978721)]