210918780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1171771}}^1$

素因数の和:1171786

約数の個数: 36

約数和(自身を含む): 639787512

約数和(自身を除く): 428868732

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1171771, 2343542, 3515313, 4687084, 5858855, 7030626, 10545939, 11717710, 14061252, 17576565, 21091878, 23435420, 35153130, 42183756, 52729695, 70306260, 105459390, 210918780]

約数ペア:

[(1, 210918780), (2, 105459390), (3, 70306260), (4, 52729695), (5, 42183756), (6, 35153130), (9, 23435420), (10, 21091878), (12, 17576565), (15, 14061252), (18, 11717710), (20, 10545939), (30, 7030626), (36, 5858855), (45, 4687084), (60, 3515313), (90, 2343542), (180, 1171771)]