1131280

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{179}}^1$

素因数の和:271

約数の個数: 40

約数和(自身を含む): 2678400

約数和(自身を除く): 1547120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 179, 316, 358, 395, 632, 716, 790, 895, 1264, 1432, 1580, 1790, 2864, 3160, 3580, 6320, 7160, 14141, 14320, 28282, 56564, 70705, 113128, 141410, 226256, 282820, 565640, 1131280]

約数ペア:

[(1, 1131280), (2, 565640), (4, 282820), (5, 226256), (8, 141410), (10, 113128), (16, 70705), (20, 56564), (40, 28282), (79, 14320), (80, 14141), (158, 7160), (179, 6320), (316, 3580), (358, 3160), (395, 2864), (632, 1790), (716, 1580), (790, 1432), (895, 1264)]