168037720

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{113539}}^1$

素因数の和:113587

約数の個数: 32

約数和(自身を含む): 388306800

約数和(自身を除く): 220269080

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 113539, 227078, 454156, 567695, 908312, 1135390, 2270780, 4200943, 4541560, 8401886, 16803772, 21004715, 33607544, 42009430, 84018860, 168037720]

約数ペア:

[(1, 168037720), (2, 84018860), (4, 42009430), (5, 33607544), (8, 21004715), (10, 16803772), (20, 8401886), (37, 4541560), (40, 4200943), (74, 2270780), (148, 1135390), (185, 908312), (296, 567695), (370, 454156), (740, 227078), (1480, 113539)]