1331240

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1447}}^1$

素因数の和:1481

約数の個数: 32

約数和(自身を含む): 3127680

約数和(自身を除く): 1796440

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 1447, 2894, 5788, 7235, 11576, 14470, 28940, 33281, 57880, 66562, 133124, 166405, 266248, 332810, 665620, 1331240]

約数ペア:

[(1, 1331240), (2, 665620), (4, 332810), (5, 266248), (8, 166405), (10, 133124), (20, 66562), (23, 57880), (40, 33281), (46, 28940), (92, 14470), (115, 11576), (184, 7235), (230, 5788), (460, 2894), (920, 1447)]