128208840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{1068407}}^1$

素因数の和:1068421

約数の個数: 32

約数和(自身を含む): 384626880

約数和(自身を除く): 256418040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1068407, 2136814, 3205221, 4273628, 5342035, 6410442, 8547256, 10684070, 12820884, 16026105, 21368140, 25641768, 32052210, 42736280, 64104420, 128208840]

約数ペア:

[(1, 128208840), (2, 64104420), (3, 42736280), (4, 32052210), (5, 25641768), (6, 21368140), (8, 16026105), (10, 12820884), (12, 10684070), (15, 8547256), (20, 6410442), (24, 5342035), (30, 4273628), (40, 3205221), (60, 2136814), (120, 1068407)]