210223620

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{389303}}^1$

素因数の和:389321

約数の個数: 48

約数和(自身を含む): 654030720

約数和(自身を除く): 443807100

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, 389303, 778606, 1167909, 1557212, 1946515, 2335818, 3503727, 3893030, 4671636, 5839545, 7007454, 7786060, 10511181, 11679090, 14014908, 17518635, 21022362, 23358180, 35037270, 42044724, 52555905, 70074540, 105111810, 210223620]

約数ペア:

[(1, 210223620), (2, 105111810), (3, 70074540), (4, 52555905), (5, 42044724), (6, 35037270), (9, 23358180), (10, 21022362), (12, 17518635), (15, 14014908), (18, 11679090), (20, 10511181), (27, 7786060), (30, 7007454), (36, 5839545), (45, 4671636), (54, 3893030), (60, 3503727), (90, 2335818), (108, 1946515), (135, 1557212), (180, 1167909), (270, 778606), (540, 389303)]