128290020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{2138167}}^1$

素因数の和:2138179

約数の個数: 24

約数和(自身を含む): 359212224

約数和(自身を除く): 230922204

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 2138167, 4276334, 6414501, 8552668, 10690835, 12829002, 21381670, 25658004, 32072505, 42763340, 64145010, 128290020]

約数ペア:

[(1, 128290020), (2, 64145010), (3, 42763340), (4, 32072505), (5, 25658004), (6, 21381670), (10, 12829002), (12, 10690835), (15, 8552668), (20, 6414501), (30, 4276334), (60, 2138167)]