15131240

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{16447}}^1$

素因数の和:16481

約数の個数: 32

約数和(自身を含む): 35527680

約数和(自身を除く): 20396440

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 16447, 32894, 65788, 82235, 131576, 164470, 328940, 378281, 657880, 756562, 1513124, 1891405, 3026248, 3782810, 7565620, 15131240]

約数ペア:

[(1, 15131240), (2, 7565620), (4, 3782810), (5, 3026248), (8, 1891405), (10, 1513124), (20, 756562), (23, 657880), (40, 378281), (46, 328940), (92, 164470), (115, 131576), (184, 82235), (230, 65788), (460, 32894), (920, 16447)]