28920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{241}}^1$

素因数の和:255

約数の個数: 32

約数和(自身を含む): 87120

約数和(自身を除く): 58200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 241, 482, 723, 964, 1205, 1446, 1928, 2410, 2892, 3615, 4820, 5784, 7230, 9640, 14460, 28920]

約数ペア:

[(1, 28920), (2, 14460), (3, 9640), (4, 7230), (5, 5784), (6, 4820), (8, 3615), (10, 2892), (12, 2410), (15, 1928), (20, 1446), (24, 1205), (30, 964), (40, 723), (60, 482), (120, 241)]