1520220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1949}}^1$

素因数の和:1974

約数の個数: 48

約数和(自身を含む): 4586400

約数和(自身を除く): 3066180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 1949, 3898, 5847, 7796, 9745, 11694, 19490, 23388, 25337, 29235, 38980, 50674, 58470, 76011, 101348, 116940, 126685, 152022, 253370, 304044, 380055, 506740, 760110, 1520220]

約数ペア:

[(1, 1520220), (2, 760110), (3, 506740), (4, 380055), (5, 304044), (6, 253370), (10, 152022), (12, 126685), (13, 116940), (15, 101348), (20, 76011), (26, 58470), (30, 50674), (39, 38980), (52, 29235), (60, 25337), (65, 23388), (78, 19490), (130, 11694), (156, 9745), (195, 7796), (260, 5847), (390, 3898), (780, 1949)]