1520781620

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{25237}}^1$

素因数の和:25400

約数の個数: 48

約数和(自身を含む): 3358067328

約数和(自身を除く): 1837285708

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 131, 230, 262, 460, 524, 655, 1310, 2620, 3013, 6026, 12052, 15065, 25237, 30130, 50474, 60260, 100948, 126185, 252370, 504740, 580451, 1160902, 2321804, 2902255, 3306047, 5804510, 6612094, 11609020, 13224188, 16530235, 33060470, 66120940, 76039081, 152078162, 304156324, 380195405, 760390810, 1520781620]

約数ペア:

[(1, 1520781620), (2, 760390810), (4, 380195405), (5, 304156324), (10, 152078162), (20, 76039081), (23, 66120940), (46, 33060470), (92, 16530235), (115, 13224188), (131, 11609020), (230, 6612094), (262, 5804510), (460, 3306047), (524, 2902255), (655, 2321804), (1310, 1160902), (2620, 580451), (3013, 504740), (6026, 252370), (12052, 126185), (15065, 100948), (25237, 60260), (30130, 50474)]