78240180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1304003}}^1$

素因数の和:1304015

約数の個数: 24

約数和(自身を含む): 219072672

約数和(自身を除く): 140832492

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1304003, 2608006, 3912009, 5216012, 6520015, 7824018, 13040030, 15648036, 19560045, 26080060, 39120090, 78240180]

約数ペア:

[(1, 78240180), (2, 39120090), (3, 26080060), (4, 19560045), (5, 15648036), (6, 13040030), (10, 7824018), (12, 6520015), (15, 5216012), (20, 3912009), (30, 2608006), (60, 1304003)]