16541220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{7451}}^1$

素因数の和:7500

約数の個数: 48

約数和(自身を含む): 47573568

約数和(自身を除く): 31032348

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, 7451, 14902, 22353, 29804, 37255, 44706, 74510, 89412, 111765, 149020, 223530, 275687, 447060, 551374, 827061, 1102748, 1378435, 1654122, 2756870, 3308244, 4135305, 5513740, 8270610, 16541220]

約数ペア:

[(1, 16541220), (2, 8270610), (3, 5513740), (4, 4135305), (5, 3308244), (6, 2756870), (10, 1654122), (12, 1378435), (15, 1102748), (20, 827061), (30, 551374), (37, 447060), (60, 275687), (74, 223530), (111, 149020), (148, 111765), (185, 89412), (222, 74510), (370, 44706), (444, 37255), (555, 29804), (740, 22353), (1110, 14902), (2220, 7451)]