161277320

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{212207}}^1$

素因数の和:212237

約数の個数: 32

約数和(自身を含む): 381974400

約数和(自身を除く): 220697080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 212207, 424414, 848828, 1061035, 1697656, 2122070, 4031933, 4244140, 8063866, 8488280, 16127732, 20159665, 32255464, 40319330, 80638660, 161277320]

約数ペア:

[(1, 161277320), (2, 80638660), (4, 40319330), (5, 32255464), (8, 20159665), (10, 16127732), (19, 8488280), (20, 8063866), (38, 4244140), (40, 4031933), (76, 2122070), (95, 1697656), (152, 1061035), (190, 848828), (380, 424414), (760, 212207)]