28253340

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{52321}}^1$

素因数の和:52339

約数の個数: 48

約数和(自身を含む): 87900960

約数和(自身を除く): 59647620

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, 52321, 104642, 156963, 209284, 261605, 313926, 470889, 523210, 627852, 784815, 941778, 1046420, 1412667, 1569630, 1883556, 2354445, 2825334, 3139260, 4708890, 5650668, 7063335, 9417780, 14126670, 28253340]

約数ペア:

[(1, 28253340), (2, 14126670), (3, 9417780), (4, 7063335), (5, 5650668), (6, 4708890), (9, 3139260), (10, 2825334), (12, 2354445), (15, 1883556), (18, 1569630), (20, 1412667), (27, 1046420), (30, 941778), (36, 784815), (45, 627852), (54, 523210), (60, 470889), (90, 313926), (108, 261605), (135, 209284), (180, 156963), (270, 104642), (540, 52321)]