61249280

素因数分解:

$2^8\times 5^1\times {\mathrm{109}}^1\times {\mathrm{439}}^1$

素因数の和:569

約数の個数: 72

約数和(自身を含む): 148394400

約数和(自身を除く): 87145120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 128, 160, 218, 256, 320, 436, 439, 545, 640, 872, 878, 1090, 1280, 1744, 1756, 2180, 2195, 3488, 3512, 4360, 4390, 6976, 7024, 8720, 8780, 13952, 14048, 17440, 17560, 27904, 28096, 34880, 35120, 47851, 56192, 69760, 70240, 95702, 112384, 139520, 140480, 191404, 239255, 280960, 382808, 478510, 561920, 765616, 957020, 1531232, 1914040, 3062464, 3828080, 6124928, 7656160, 12249856, 15312320, 30624640, 61249280]

約数ペア:

[(1, 61249280), (2, 30624640), (4, 15312320), (5, 12249856), (8, 7656160), (10, 6124928), (16, 3828080), (20, 3062464), (32, 1914040), (40, 1531232), (64, 957020), (80, 765616), (109, 561920), (128, 478510), (160, 382808), (218, 280960), (256, 239255), (320, 191404), (436, 140480), (439, 139520), (545, 112384), (640, 95702), (872, 70240), (878, 69760), (1090, 56192), (1280, 47851), (1744, 35120), (1756, 34880), (2180, 28096), (2195, 27904), (3488, 17560), (3512, 17440), (4360, 14048), (4390, 13952), (6976, 8780), (7024, 8720)]