157210520

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{170881}}^1$

素因数の和:170915

約数の個数: 32

約数和(自身を含む): 369105120

約数和(自身を除く): 211894600

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 170881, 341762, 683524, 854405, 1367048, 1708810, 3417620, 3930263, 6835240, 7860526, 15721052, 19651315, 31442104, 39302630, 78605260, 157210520]

約数ペア:

[(1, 157210520), (2, 78605260), (4, 39302630), (5, 31442104), (8, 19651315), (10, 15721052), (20, 7860526), (23, 6835240), (40, 3930263), (46, 3417620), (92, 1708810), (115, 1367048), (184, 854405), (230, 683524), (460, 341762), (920, 170881)]