30624640

素因数分解:

$2^7\times 5^1\times {\mathrm{109}}^1\times {\mathrm{439}}^1$

素因数の和:567

約数の個数: 64

約数和(自身を含む): 74052000

約数和(自身を除く): 43427360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 128, 160, 218, 320, 436, 439, 545, 640, 872, 878, 1090, 1744, 1756, 2180, 2195, 3488, 3512, 4360, 4390, 6976, 7024, 8720, 8780, 13952, 14048, 17440, 17560, 28096, 34880, 35120, 47851, 56192, 69760, 70240, 95702, 140480, 191404, 239255, 280960, 382808, 478510, 765616, 957020, 1531232, 1914040, 3062464, 3828080, 6124928, 7656160, 15312320, 30624640]

約数ペア:

[(1, 30624640), (2, 15312320), (4, 7656160), (5, 6124928), (8, 3828080), (10, 3062464), (16, 1914040), (20, 1531232), (32, 957020), (40, 765616), (64, 478510), (80, 382808), (109, 280960), (128, 239255), (160, 191404), (218, 140480), (320, 95702), (436, 70240), (439, 69760), (545, 56192), (640, 47851), (872, 35120), (878, 34880), (1090, 28096), (1744, 17560), (1756, 17440), (2180, 14048), (2195, 13952), (3488, 8780), (3512, 8720), (4360, 7024), (4390, 6976)]