315065480

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{60127}}^1$

素因数の和:60269

約数の個数: 32

約数和(自身を含む): 714320640

約数和(自身を除く): 399255160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 60127, 120254, 240508, 300635, 481016, 601270, 1202540, 2405080, 7876637, 15753274, 31506548, 39383185, 63013096, 78766370, 157532740, 315065480]

約数ペア:

[(1, 315065480), (2, 157532740), (4, 78766370), (5, 63013096), (8, 39383185), (10, 31506548), (20, 15753274), (40, 7876637), (131, 2405080), (262, 1202540), (524, 601270), (655, 481016), (1048, 300635), (1310, 240508), (2620, 120254), (5240, 60127)]