42123780

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{78007}}^1$

素因数の和:78025

約数の個数: 48

約数和(自身を含む): 131053440

約数和(自身を除く): 88929660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 78007, 156014, 234021, 312028, 390035, 468042, 702063, 780070, 936084, 1170105, 1404126, 1560140, 2106189, 2340210, 2808252, 3510315, 4212378, 4680420, 7020630, 8424756, 10530945, 14041260, 21061890, 42123780]

約数ペア:

[(1, 42123780), (2, 21061890), (3, 14041260), (4, 10530945), (5, 8424756), (6, 7020630), (9, 4680420), (10, 4212378), (12, 3510315), (15, 2808252), (18, 2340210), (20, 2106189), (27, 1560140), (30, 1404126), (36, 1170105), (45, 936084), (54, 780070), (60, 702063), (90, 468042), (108, 390035), (135, 312028), (180, 234021), (270, 156014), (540, 78007)]