2080140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{937}}^1$

素因数の和:986

約数の個数: 48

約数和(自身を含む): 5988192

約数和(自身を除く): 3908052

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 222, 370, 444, 555, 740, 937, 1110, 1874, 2220, 2811, 3748, 4685, 5622, 9370, 11244, 14055, 18740, 28110, 34669, 56220, 69338, 104007, 138676, 173345, 208014, 346690, 416028, 520035, 693380, 1040070, 2080140]

約数ペア:

[(1, 2080140), (2, 1040070), (3, 693380), (4, 520035), (5, 416028), (6, 346690), (10, 208014), (12, 173345), (15, 138676), (20, 104007), (30, 69338), (37, 56220), (60, 34669), (74, 28110), (111, 18740), (148, 14055), (185, 11244), (222, 9370), (370, 5622), (444, 4685), (555, 3748), (740, 2811), (937, 2220), (1110, 1874)]