179928560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{321301}}^1$

素因数の和:321321

約数の個数: 40

約数和(自身を含む): 478097376

約数和(自身を除く): 298168816

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 321301, 642602, 1285204, 1606505, 2249107, 2570408, 3213010, 4498214, 5140816, 6426020, 8996428, 11245535, 12852040, 17992856, 22491070, 25704080, 35985712, 44982140, 89964280, 179928560]

約数ペア:

[(1, 179928560), (2, 89964280), (4, 44982140), (5, 35985712), (7, 25704080), (8, 22491070), (10, 17992856), (14, 12852040), (16, 11245535), (20, 8996428), (28, 6426020), (35, 5140816), (40, 4498214), (56, 3213010), (70, 2570408), (80, 2249107), (112, 1606505), (140, 1285204), (280, 642602), (560, 321301)]