213661620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1187009}}^1$

素因数の和:1187024

約数の個数: 36

約数和(自身を含む): 648107460

約数和(自身を除く): 434445840

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1187009, 2374018, 3561027, 4748036, 5935045, 7122054, 10683081, 11870090, 14244108, 17805135, 21366162, 23740180, 35610270, 42732324, 53415405, 71220540, 106830810, 213661620]

約数ペア:

[(1, 213661620), (2, 106830810), (3, 71220540), (4, 53415405), (5, 42732324), (6, 35610270), (9, 23740180), (10, 21366162), (12, 17805135), (15, 14244108), (18, 11870090), (20, 10683081), (30, 7122054), (36, 5935045), (45, 4748036), (60, 3561027), (90, 2374018), (180, 1187009)]