128999580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{2149993}}^1$

素因数の和:2150005

約数の個数: 24

約数和(自身を含む): 361198992

約数和(自身を除く): 232199412

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 2149993, 4299986, 6449979, 8599972, 10749965, 12899958, 21499930, 25799916, 32249895, 42999860, 64499790, 128999580]

約数ペア:

[(1, 128999580), (2, 64499790), (3, 42999860), (4, 32249895), (5, 25799916), (6, 21499930), (10, 12899958), (12, 10749965), (15, 8599972), (20, 6449979), (30, 4299986), (60, 2149993)]