12420420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1511}}^1$

素因数の和:1660

約数の個数: 48

約数和(自身を含む): 35054208

約数和(自身を除く): 22633788

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 137, 274, 411, 548, 685, 822, 1370, 1511, 1644, 2055, 2740, 3022, 4110, 4533, 6044, 7555, 8220, 9066, 15110, 18132, 22665, 30220, 45330, 90660, 207007, 414014, 621021, 828028, 1035035, 1242042, 2070070, 2484084, 3105105, 4140140, 6210210, 12420420]

約数ペア:

[(1, 12420420), (2, 6210210), (3, 4140140), (4, 3105105), (5, 2484084), (6, 2070070), (10, 1242042), (12, 1035035), (15, 828028), (20, 621021), (30, 414014), (60, 207007), (137, 90660), (274, 45330), (411, 30220), (548, 22665), (685, 18132), (822, 15110), (1370, 9066), (1511, 8220), (1644, 7555), (2055, 6044), (2740, 4533), (3022, 4110)]