16780980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{7559}}^1$

素因数の和:7608

約数の個数: 48

約数和(自身を含む): 48263040

約数和(自身を除く): 31482060

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, 1110, 2220, 7559, 15118, 22677, 30236, 37795, 45354, 75590, 90708, 113385, 151180, 226770, 279683, 453540, 559366, 839049, 1118732, 1398415, 1678098, 2796830, 3356196, 4195245, 5593660, 8390490, 16780980]

約数ペア:

[(1, 16780980), (2, 8390490), (3, 5593660), (4, 4195245), (5, 3356196), (6, 2796830), (10, 1678098), (12, 1398415), (15, 1118732), (20, 839049), (30, 559366), (37, 453540), (60, 279683), (74, 226770), (111, 151180), (148, 113385), (185, 90708), (222, 75590), (370, 45354), (444, 37795), (555, 30236), (740, 22677), (1110, 15118), (2220, 7559)]