81920880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{113779}}^1$

素因数の和:113798

約数の個数: 60

約数和(自身を含む): 275120040

約数和(自身を除く): 193199160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 113779, 227558, 341337, 455116, 568895, 682674, 910232, 1024011, 1137790, 1365348, 1706685, 1820464, 2048022, 2275580, 2730696, 3413370, 4096044, 4551160, 5120055, 5461392, 6826740, 8192088, 9102320, 10240110, 13653480, 16384176, 20480220, 27306960, 40960440, 81920880]

約数ペア:

[(1, 81920880), (2, 40960440), (3, 27306960), (4, 20480220), (5, 16384176), (6, 13653480), (8, 10240110), (9, 9102320), (10, 8192088), (12, 6826740), (15, 5461392), (16, 5120055), (18, 4551160), (20, 4096044), (24, 3413370), (30, 2730696), (36, 2275580), (40, 2048022), (45, 1820464), (48, 1706685), (60, 1365348), (72, 1137790), (80, 1024011), (90, 910232), (120, 682674), (144, 568895), (180, 455116), (240, 341337), (360, 227558), (720, 113779)]