1560880

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{179}}^1$

素因数の和:301

約数の個数: 40

約数和(自身を含む): 3682800

約数和(自身を除く): 2121920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 179, 218, 358, 436, 545, 716, 872, 895, 1090, 1432, 1744, 1790, 2180, 2864, 3580, 4360, 7160, 8720, 14320, 19511, 39022, 78044, 97555, 156088, 195110, 312176, 390220, 780440, 1560880]

約数ペア:

[(1, 1560880), (2, 780440), (4, 390220), (5, 312176), (8, 195110), (10, 156088), (16, 97555), (20, 78044), (40, 39022), (80, 19511), (109, 14320), (179, 8720), (218, 7160), (358, 4360), (436, 3580), (545, 2864), (716, 2180), (872, 1790), (895, 1744), (1090, 1432)]