9721980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{54011}}^1$

素因数の和:54026

約数の個数: 36

約数和(自身を含む): 29490552

約数和(自身を除く): 19768572

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 54011, 108022, 162033, 216044, 270055, 324066, 486099, 540110, 648132, 810165, 972198, 1080220, 1620330, 1944396, 2430495, 3240660, 4860990, 9721980]

約数ペア:

[(1, 9721980), (2, 4860990), (3, 3240660), (4, 2430495), (5, 1944396), (6, 1620330), (9, 1080220), (10, 972198), (12, 810165), (15, 648132), (18, 540110), (20, 486099), (30, 324066), (36, 270055), (45, 216044), (60, 162033), (90, 108022), (180, 54011)]