315060520

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{76471}}^1$

素因数の和:76585

約数の個数: 32

約数和(自身を含む): 715777920

約数和(自身を除く): 400717400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 76471, 152942, 305884, 382355, 611768, 764710, 1529420, 3058840, 7876513, 15753026, 31506052, 39382565, 63012104, 78765130, 157530260, 315060520]

約数ペア:

[(1, 315060520), (2, 157530260), (4, 78765130), (5, 63012104), (8, 39382565), (10, 31506052), (20, 15753026), (40, 7876513), (103, 3058840), (206, 1529420), (412, 764710), (515, 611768), (824, 382355), (1030, 305884), (2060, 152942), (4120, 76471)]