7890780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{347}}^1\times {\mathrm{379}}^1$

素因数の和:738

約数の個数: 48

約数和(自身を含む): 22216320

約数和(自身を除く): 14325540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 347, 379, 694, 758, 1041, 1137, 1388, 1516, 1735, 1895, 2082, 2274, 3470, 3790, 4164, 4548, 5205, 5685, 6940, 7580, 10410, 11370, 20820, 22740, 131513, 263026, 394539, 526052, 657565, 789078, 1315130, 1578156, 1972695, 2630260, 3945390, 7890780]

約数ペア:

[(1, 7890780), (2, 3945390), (3, 2630260), (4, 1972695), (5, 1578156), (6, 1315130), (10, 789078), (12, 657565), (15, 526052), (20, 394539), (30, 263026), (60, 131513), (347, 22740), (379, 20820), (694, 11370), (758, 10410), (1041, 7580), (1137, 6940), (1388, 5685), (1516, 5205), (1735, 4548), (1895, 4164), (2082, 3790), (2274, 3470)]