128430840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{1070257}}^1$

素因数の和:1070271

約数の個数: 32

約数和(自身を含む): 385292880

約数和(自身を除く): 256862040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1070257, 2140514, 3210771, 4281028, 5351285, 6421542, 8562056, 10702570, 12843084, 16053855, 21405140, 25686168, 32107710, 42810280, 64215420, 128430840]

約数ペア:

[(1, 128430840), (2, 64215420), (3, 42810280), (4, 32107710), (5, 25686168), (6, 21405140), (8, 16053855), (10, 12843084), (12, 10702570), (15, 8562056), (20, 6421542), (24, 5351285), (30, 4281028), (40, 3210771), (60, 2140514), (120, 1070257)]