21759480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{60443}}^1$

素因数の和:60460

約数の個数: 48

約数和(自身を含む): 70719480

約数和(自身を除く): 48960000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 60443, 120886, 181329, 241772, 302215, 362658, 483544, 543987, 604430, 725316, 906645, 1087974, 1208860, 1450632, 1813290, 2175948, 2417720, 2719935, 3626580, 4351896, 5439870, 7253160, 10879740, 21759480]

約数ペア:

[(1, 21759480), (2, 10879740), (3, 7253160), (4, 5439870), (5, 4351896), (6, 3626580), (8, 2719935), (9, 2417720), (10, 2175948), (12, 1813290), (15, 1450632), (18, 1208860), (20, 1087974), (24, 906645), (30, 725316), (36, 604430), (40, 543987), (45, 483544), (60, 362658), (72, 302215), (90, 241772), (120, 181329), (180, 120886), (360, 60443)]