17880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{149}}^1$

素因数の和:163

約数の個数: 32

約数和(自身を含む): 54000

約数和(自身を除く): 36120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 149, 298, 447, 596, 745, 894, 1192, 1490, 1788, 2235, 2980, 3576, 4470, 5960, 8940, 17880]

約数ペア:

[(1, 17880), (2, 8940), (3, 5960), (4, 4470), (5, 3576), (6, 2980), (8, 2235), (10, 1788), (12, 1490), (15, 1192), (20, 894), (24, 745), (30, 596), (40, 447), (60, 298), (120, 149)]