280960

素因数分解:

$2^7\times 5^1\times {\mathrm{439}}^1$

素因数の和:458

約数の個数: 32

約数和(自身を含む): 673200

約数和(自身を除く): 392240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 439, 640, 878, 1756, 2195, 3512, 4390, 7024, 8780, 14048, 17560, 28096, 35120, 56192, 70240, 140480, 280960]

約数ペア:

[(1, 280960), (2, 140480), (4, 70240), (5, 56192), (8, 35120), (10, 28096), (16, 17560), (20, 14048), (32, 8780), (40, 7024), (64, 4390), (80, 3512), (128, 2195), (160, 1756), (320, 878), (439, 640)]