1607680

素因数分解:

$2^{11}\times 5^1\times {\mathrm{157}}^1$

素因数の和:184

約数の個数: 48

約数和(自身を含む): 3882060

約数和(自身を除く): 2274380

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 157, 160, 256, 314, 320, 512, 628, 640, 785, 1024, 1256, 1280, 1570, 2048, 2512, 2560, 3140, 5024, 5120, 6280, 10048, 10240, 12560, 20096, 25120, 40192, 50240, 80384, 100480, 160768, 200960, 321536, 401920, 803840, 1607680]

約数ペア:

[(1, 1607680), (2, 803840), (4, 401920), (5, 321536), (8, 200960), (10, 160768), (16, 100480), (20, 80384), (32, 50240), (40, 40192), (64, 25120), (80, 20096), (128, 12560), (157, 10240), (160, 10048), (256, 6280), (314, 5120), (320, 5024), (512, 3140), (628, 2560), (640, 2512), (785, 2048), (1024, 1570), (1256, 1280)]