218915706780

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{405399457}}^1$

素因数の和:405399475

約数の個数: 48

約数和(自身を含む): 681071089440

約数和(自身を除く): 462155382660

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, 405399457, 810798914, 1216198371, 1621597828, 2026997285, 2432396742, 3648595113, 4053994570, 4864793484, 6080991855, 7297190226, 8107989140, 10945785339, 12161983710, 14594380452, 18242975565, 21891570678, 24323967420, 36485951130, 43783141356, 54728926695, 72971902260, 109457853390, 218915706780]

約数ペア:

[(1, 218915706780), (2, 109457853390), (3, 72971902260), (4, 54728926695), (5, 43783141356), (6, 36485951130), (9, 24323967420), (10, 21891570678), (12, 18242975565), (15, 14594380452), (18, 12161983710), (20, 10945785339), (27, 8107989140), (30, 7297190226), (36, 6080991855), (45, 4864793484), (54, 4053994570), (60, 3648595113), (90, 2432396742), (108, 2026997285), (135, 1621597828), (180, 1216198371), (270, 810798914), (540, 405399457)]