157440520

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{171131}}^1$

素因数の和:171165

約数の個数: 32

約数和(自身を含む): 369645120

約数和(自身を除く): 212204600

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 171131, 342262, 684524, 855655, 1369048, 1711310, 3422620, 3936013, 6845240, 7872026, 15744052, 19680065, 31488104, 39360130, 78720260, 157440520]

約数ペア:

[(1, 157440520), (2, 78720260), (4, 39360130), (5, 31488104), (8, 19680065), (10, 15744052), (20, 7872026), (23, 6845240), (40, 3936013), (46, 3422620), (92, 1711310), (115, 1369048), (184, 855655), (230, 684524), (460, 342262), (920, 171131)]