2740590

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{823}}^1$

素因数の和:873

約数の個数: 48

約数和(自身を含む): 7327008

約数和(自身を除く): 4586418

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 37, 45, 74, 90, 111, 185, 222, 333, 370, 555, 666, 823, 1110, 1646, 1665, 2469, 3330, 4115, 4938, 7407, 8230, 12345, 14814, 24690, 30451, 37035, 60902, 74070, 91353, 152255, 182706, 274059, 304510, 456765, 548118, 913530, 1370295, 2740590]

約数ペア:

[(1, 2740590), (2, 1370295), (3, 913530), (5, 548118), (6, 456765), (9, 304510), (10, 274059), (15, 182706), (18, 152255), (30, 91353), (37, 74070), (45, 60902), (74, 37035), (90, 30451), (111, 24690), (185, 14814), (222, 12345), (333, 8230), (370, 7407), (555, 4938), (666, 4115), (823, 3330), (1110, 2469), (1646, 1665)]