15540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1$

素因数の和:56

約数の個数: 48

約数和(自身を含む): 51072

約数和(自身を除く): 35532

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 37, 42, 60, 70, 74, 84, 105, 111, 140, 148, 185, 210, 222, 259, 370, 420, 444, 518, 555, 740, 777, 1036, 1110, 1295, 1554, 2220, 2590, 3108, 3885, 5180, 7770, 15540]

約数ペア:

[(1, 15540), (2, 7770), (3, 5180), (4, 3885), (5, 3108), (6, 2590), (7, 2220), (10, 1554), (12, 1295), (14, 1110), (15, 1036), (20, 777), (21, 740), (28, 555), (30, 518), (35, 444), (37, 420), (42, 370), (60, 259), (70, 222), (74, 210), (84, 185), (105, 148), (111, 140)]