218325420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1212919}}^1$

素因数の和:1212934

約数の個数: 36

約数和(自身を含む): 662254320

約数和(自身を除く): 443928900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1212919, 2425838, 3638757, 4851676, 6064595, 7277514, 10916271, 12129190, 14555028, 18193785, 21832542, 24258380, 36387570, 43665084, 54581355, 72775140, 109162710, 218325420]

約数ペア:

[(1, 218325420), (2, 109162710), (3, 72775140), (4, 54581355), (5, 43665084), (6, 36387570), (9, 24258380), (10, 21832542), (12, 18193785), (15, 14555028), (18, 12129190), (20, 10916271), (30, 7277514), (36, 6064595), (45, 4851676), (60, 3638757), (90, 2425838), (180, 1212919)]