207878940

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{384961}}^1$

素因数の和:384979

約数の個数: 48

約数和(自身を含む): 646736160

約数和(自身を除く): 438857220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 384961, 769922, 1154883, 1539844, 1924805, 2309766, 3464649, 3849610, 4619532, 5774415, 6929298, 7699220, 10393947, 11548830, 13858596, 17323245, 20787894, 23097660, 34646490, 41575788, 51969735, 69292980, 103939470, 207878940]

約数ペア:

[(1, 207878940), (2, 103939470), (3, 69292980), (4, 51969735), (5, 41575788), (6, 34646490), (9, 23097660), (10, 20787894), (12, 17323245), (15, 13858596), (18, 11548830), (20, 10393947), (27, 7699220), (30, 6929298), (36, 5774415), (45, 4619532), (54, 3849610), (60, 3464649), (90, 2309766), (108, 1924805), (135, 1539844), (180, 1154883), (270, 769922), (540, 384961)]