7258740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{311}}^1\times {\mathrm{389}}^1$

素因数の和:712

約数の個数: 48

約数和(自身を含む): 20442240

約数和(自身を除く): 13183500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 311, 389, 622, 778, 933, 1167, 1244, 1555, 1556, 1866, 1945, 2334, 3110, 3732, 3890, 4665, 4668, 5835, 6220, 7780, 9330, 11670, 18660, 23340, 120979, 241958, 362937, 483916, 604895, 725874, 1209790, 1451748, 1814685, 2419580, 3629370, 7258740]

約数ペア:

[(1, 7258740), (2, 3629370), (3, 2419580), (4, 1814685), (5, 1451748), (6, 1209790), (10, 725874), (12, 604895), (15, 483916), (20, 362937), (30, 241958), (60, 120979), (311, 23340), (389, 18660), (622, 11670), (778, 9330), (933, 7780), (1167, 6220), (1244, 5835), (1555, 4668), (1556, 4665), (1866, 3890), (1945, 3732), (2334, 3110)]