221365260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1229807}}^1$

素因数の和:1229822

約数の個数: 36

約数和(自身を含む): 671475168

約数和(自身を除く): 450109908

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1229807, 2459614, 3689421, 4919228, 6149035, 7378842, 11068263, 12298070, 14757684, 18447105, 22136526, 24596140, 36894210, 44273052, 55341315, 73788420, 110682630, 221365260]

約数ペア:

[(1, 221365260), (2, 110682630), (3, 73788420), (4, 55341315), (5, 44273052), (6, 36894210), (9, 24596140), (10, 22136526), (12, 18447105), (15, 14757684), (18, 12298070), (20, 11068263), (30, 7378842), (36, 6149035), (45, 4919228), (60, 3689421), (90, 2459614), (180, 1229807)]