254760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{193}}^1$

素因数の和:218

約数の個数: 64

約数和(自身を含む): 838080

約数和(自身を除く): 583320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 193, 220, 264, 330, 386, 440, 579, 660, 772, 965, 1158, 1320, 1544, 1930, 2123, 2316, 2895, 3860, 4246, 4632, 5790, 6369, 7720, 8492, 10615, 11580, 12738, 16984, 21230, 23160, 25476, 31845, 42460, 50952, 63690, 84920, 127380, 254760]

約数ペア:

[(1, 254760), (2, 127380), (3, 84920), (4, 63690), (5, 50952), (6, 42460), (8, 31845), (10, 25476), (11, 23160), (12, 21230), (15, 16984), (20, 12738), (22, 11580), (24, 10615), (30, 8492), (33, 7720), (40, 6369), (44, 5790), (55, 4632), (60, 4246), (66, 3860), (88, 2895), (110, 2316), (120, 2123), (132, 1930), (165, 1544), (193, 1320), (220, 1158), (264, 965), (330, 772), (386, 660), (440, 579)]