8540220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{10949}}^1$

素因数の和:10974

約数の個数: 48

約数和(自身を含む): 25754400

約数和(自身を除く): 17214180

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, 10949, 21898, 32847, 43796, 54745, 65694, 109490, 131388, 142337, 164235, 218980, 284674, 328470, 427011, 569348, 656940, 711685, 854022, 1423370, 1708044, 2135055, 2846740, 4270110, 8540220]

約数ペア:

[(1, 8540220), (2, 4270110), (3, 2846740), (4, 2135055), (5, 1708044), (6, 1423370), (10, 854022), (12, 711685), (13, 656940), (15, 569348), (20, 427011), (26, 328470), (30, 284674), (39, 218980), (52, 164235), (60, 142337), (65, 131388), (78, 109490), (130, 65694), (156, 54745), (195, 43796), (260, 32847), (390, 21898), (780, 10949)]