28712760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{239273}}^1$

素因数の和:239287

約数の個数: 32

約数和(自身を含む): 86138640

約数和(自身を除く): 57425880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 239273, 478546, 717819, 957092, 1196365, 1435638, 1914184, 2392730, 2871276, 3589095, 4785460, 5742552, 7178190, 9570920, 14356380, 28712760]

約数ペア:

[(1, 28712760), (2, 14356380), (3, 9570920), (4, 7178190), (5, 5742552), (6, 4785460), (8, 3589095), (10, 2871276), (12, 2392730), (15, 1914184), (20, 1435638), (24, 1196365), (30, 957092), (40, 717819), (60, 478546), (120, 239273)]