15771790

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1459}}^1$

素因数の和:1536

約数の個数: 32

約数和(自身を含む): 30274560

約数和(自身を除く): 14502770

約数列:

[1, 2, 5, 10, 23, 46, 47, 94, 115, 230, 235, 470, 1081, 1459, 2162, 2918, 5405, 7295, 10810, 14590, 33557, 67114, 68573, 137146, 167785, 335570, 342865, 685730, 1577179, 3154358, 7885895, 15771790]

約数ペア:

[(1, 15771790), (2, 7885895), (5, 3154358), (10, 1577179), (23, 685730), (46, 342865), (47, 335570), (94, 167785), (115, 137146), (230, 68573), (235, 67114), (470, 33557), (1081, 14590), (1459, 10810), (2162, 7295), (2918, 5405)]