2702820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{421}}^1$

素因数の和:540

約数の個数: 48

約数和(自身を含む): 7656768

約数和(自身を除く): 4953948

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 107, 214, 321, 421, 428, 535, 642, 842, 1070, 1263, 1284, 1605, 1684, 2105, 2140, 2526, 3210, 4210, 5052, 6315, 6420, 8420, 12630, 25260, 45047, 90094, 135141, 180188, 225235, 270282, 450470, 540564, 675705, 900940, 1351410, 2702820]

約数ペア:

[(1, 2702820), (2, 1351410), (3, 900940), (4, 675705), (5, 540564), (6, 450470), (10, 270282), (12, 225235), (15, 180188), (20, 135141), (30, 90094), (60, 45047), (107, 25260), (214, 12630), (321, 8420), (421, 6420), (428, 6315), (535, 5052), (642, 4210), (842, 3210), (1070, 2526), (1263, 2140), (1284, 2105), (1605, 1684)]