217629780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{643}}^1\times {\mathrm{5641}}^1$

素因数の和:6296

約数の個数: 48

約数和(自身を含む): 610419264

約数和(自身を除く): 392789484

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 643, 1286, 1929, 2572, 3215, 3858, 5641, 6430, 7716, 9645, 11282, 12860, 16923, 19290, 22564, 28205, 33846, 38580, 56410, 67692, 84615, 112820, 169230, 338460, 3627163, 7254326, 10881489, 14508652, 18135815, 21762978, 36271630, 43525956, 54407445, 72543260, 108814890, 217629780]

約数ペア:

[(1, 217629780), (2, 108814890), (3, 72543260), (4, 54407445), (5, 43525956), (6, 36271630), (10, 21762978), (12, 18135815), (15, 14508652), (20, 10881489), (30, 7254326), (60, 3627163), (643, 338460), (1286, 169230), (1929, 112820), (2572, 84615), (3215, 67692), (3858, 56410), (5641, 38580), (6430, 33846), (7716, 28205), (9645, 22564), (11282, 19290), (12860, 16923)]