280549872

素因数分解:

$2^4\times 3^3\times {\mathrm{649421}}^1$

素因数の和:649438

約数の個数: 40

約数和(自身を含む): 805283280

約数和(自身を除く): 524733408

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 216, 432, 649421, 1298842, 1948263, 2597684, 3896526, 5195368, 5844789, 7793052, 10390736, 11689578, 15586104, 17534367, 23379156, 31172208, 35068734, 46758312, 70137468, 93516624, 140274936, 280549872]

約数ペア:

[(1, 280549872), (2, 140274936), (3, 93516624), (4, 70137468), (6, 46758312), (8, 35068734), (9, 31172208), (12, 23379156), (16, 17534367), (18, 15586104), (24, 11689578), (27, 10390736), (36, 7793052), (48, 5844789), (54, 5195368), (72, 3896526), (108, 2597684), (144, 1948263), (216, 1298842), (432, 649421)]