42018780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{821}}^1\times {\mathrm{853}}^1$

素因数の和:1686

約数の個数: 48

約数和(自身を含む): 117933984

約数和(自身を除く): 75915204

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 821, 853, 1642, 1706, 2463, 2559, 3284, 3412, 4105, 4265, 4926, 5118, 8210, 8530, 9852, 10236, 12315, 12795, 16420, 17060, 24630, 25590, 49260, 51180, 700313, 1400626, 2100939, 2801252, 3501565, 4201878, 7003130, 8403756, 10504695, 14006260, 21009390, 42018780]

約数ペア:

[(1, 42018780), (2, 21009390), (3, 14006260), (4, 10504695), (5, 8403756), (6, 7003130), (10, 4201878), (12, 3501565), (15, 2801252), (20, 2100939), (30, 1400626), (60, 700313), (821, 51180), (853, 49260), (1642, 25590), (1706, 24630), (2463, 17060), (2559, 16420), (3284, 12795), (3412, 12315), (4105, 10236), (4265, 9852), (4926, 8530), (5118, 8210)]