213660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1187}}^1$

素因数の和:1202

約数の個数: 36

約数和(自身を含む): 648648

約数和(自身を除く): 434988

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1187, 2374, 3561, 4748, 5935, 7122, 10683, 11870, 14244, 17805, 21366, 23740, 35610, 42732, 53415, 71220, 106830, 213660]

約数ペア:

[(1, 213660), (2, 106830), (3, 71220), (4, 53415), (5, 42732), (6, 35610), (9, 23740), (10, 21366), (12, 17805), (15, 14244), (18, 11870), (20, 10683), (30, 7122), (36, 5935), (45, 4748), (60, 3561), (90, 2374), (180, 1187)]