128837640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{1073647}}^1$

素因数の和:1073661

約数の個数: 32

約数和(自身を含む): 386513280

約数和(自身を除く): 257675640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1073647, 2147294, 3220941, 4294588, 5368235, 6441882, 8589176, 10736470, 12883764, 16104705, 21472940, 25767528, 32209410, 42945880, 64418820, 128837640]

約数ペア:

[(1, 128837640), (2, 64418820), (3, 42945880), (4, 32209410), (5, 25767528), (6, 21472940), (8, 16104705), (10, 12883764), (12, 10736470), (15, 8589176), (20, 6441882), (24, 5368235), (30, 4294588), (40, 3220941), (60, 2147294), (120, 1073647)]