1520306780

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{421}}^1\times {\mathrm{1753}}^1$

素因数の和:2286

約数の個数: 48

約数和(自身を含む): 3233141184

約数和(自身を除く): 1712834404

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 421, 515, 842, 1030, 1684, 1753, 2060, 2105, 3506, 4210, 7012, 8420, 8765, 17530, 35060, 43363, 86726, 173452, 180559, 216815, 361118, 433630, 722236, 738013, 867260, 902795, 1476026, 1805590, 2952052, 3611180, 3690065, 7380130, 14760260, 76015339, 152030678, 304061356, 380076695, 760153390, 1520306780]

約数ペア:

[(1, 1520306780), (2, 760153390), (4, 380076695), (5, 304061356), (10, 152030678), (20, 76015339), (103, 14760260), (206, 7380130), (412, 3690065), (421, 3611180), (515, 2952052), (842, 1805590), (1030, 1476026), (1684, 902795), (1753, 867260), (2060, 738013), (2105, 722236), (3506, 433630), (4210, 361118), (7012, 216815), (8420, 180559), (8765, 173452), (17530, 86726), (35060, 43363)]