128994540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{2149909}}^1$

素因数の和:2149921

約数の個数: 24

約数和(自身を含む): 361184880

約数和(自身を除く): 232190340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 2149909, 4299818, 6449727, 8599636, 10749545, 12899454, 21499090, 25798908, 32248635, 42998180, 64497270, 128994540]

約数ペア:

[(1, 128994540), (2, 64497270), (3, 42998180), (4, 32248635), (5, 25798908), (6, 21499090), (10, 12899454), (12, 10749545), (15, 8599636), (20, 6449727), (30, 4299818), (60, 2149909)]