42638220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{236879}}^1$

素因数の和:236894

約数の個数: 36

約数和(自身を含む): 129336480

約数和(自身を除く): 86698260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 236879, 473758, 710637, 947516, 1184395, 1421274, 2131911, 2368790, 2842548, 3553185, 4263822, 4737580, 7106370, 8527644, 10659555, 14212740, 21319110, 42638220]

約数ペア:

[(1, 42638220), (2, 21319110), (3, 14212740), (4, 10659555), (5, 8527644), (6, 7106370), (9, 4737580), (10, 4263822), (12, 3553185), (15, 2842548), (18, 2368790), (20, 2131911), (30, 1421274), (36, 1184395), (45, 947516), (60, 710637), (90, 473758), (180, 236879)]