289697220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{643}}^1\times {\mathrm{2503}}^1$

素因数の和:3161

約数の個数: 72

約数和(自身を含む): 880466496

約数和(自身を除く): 590769276

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 643, 1286, 1929, 2503, 2572, 3215, 3858, 5006, 5787, 6430, 7509, 7716, 9645, 10012, 11574, 12515, 12860, 15018, 19290, 22527, 23148, 25030, 28935, 30036, 37545, 38580, 45054, 50060, 57870, 75090, 90108, 112635, 115740, 150180, 225270, 450540, 1609429, 3218858, 4828287, 6437716, 8047145, 9656574, 14484861, 16094290, 19313148, 24141435, 28969722, 32188580, 48282870, 57939444, 72424305, 96565740, 144848610, 289697220]

約数ペア:

[(1, 289697220), (2, 144848610), (3, 96565740), (4, 72424305), (5, 57939444), (6, 48282870), (9, 32188580), (10, 28969722), (12, 24141435), (15, 19313148), (18, 16094290), (20, 14484861), (30, 9656574), (36, 8047145), (45, 6437716), (60, 4828287), (90, 3218858), (180, 1609429), (643, 450540), (1286, 225270), (1929, 150180), (2503, 115740), (2572, 112635), (3215, 90108), (3858, 75090), (5006, 57870), (5787, 50060), (6430, 45054), (7509, 38580), (7716, 37545), (9645, 30036), (10012, 28935), (11574, 25030), (12515, 23148), (12860, 22527), (15018, 19290)]