210997260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1172207}}^1$

素因数の和:1172222

約数の個数: 36

約数和(自身を含む): 640025568

約数和(自身を除く): 429028308

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1172207, 2344414, 3516621, 4688828, 5861035, 7033242, 10549863, 11722070, 14066484, 17583105, 21099726, 23444140, 35166210, 42199452, 52749315, 70332420, 105498630, 210997260]

約数ペア:

[(1, 210997260), (2, 105498630), (3, 70332420), (4, 52749315), (5, 42199452), (6, 35166210), (9, 23444140), (10, 21099726), (12, 17583105), (15, 14066484), (18, 11722070), (20, 10549863), (30, 7033242), (36, 5861035), (45, 4688828), (60, 3516621), (90, 2344414), (180, 1172207)]