78828780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1313813}}^1$

素因数の和:1313825

約数の個数: 24

約数和(自身を含む): 220720752

約数和(自身を除く): 141891972

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1313813, 2627626, 3941439, 5255252, 6569065, 7882878, 13138130, 15765756, 19707195, 26276260, 39414390, 78828780]

約数ペア:

[(1, 78828780), (2, 39414390), (3, 26276260), (4, 19707195), (5, 15765756), (6, 13138130), (10, 7882878), (12, 6569065), (15, 5255252), (20, 3941439), (30, 2627626), (60, 1313813)]