491580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{2731}}^1$

素因数の和:2746

約数の個数: 36

約数和(自身を含む): 1491672

約数和(自身を除く): 1000092

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 2731, 5462, 8193, 10924, 13655, 16386, 24579, 27310, 32772, 40965, 49158, 54620, 81930, 98316, 122895, 163860, 245790, 491580]

約数ペア:

[(1, 491580), (2, 245790), (3, 163860), (4, 122895), (5, 98316), (6, 81930), (9, 54620), (10, 49158), (12, 40965), (15, 32772), (18, 27310), (20, 24579), (30, 16386), (36, 13655), (45, 10924), (60, 8193), (90, 5462), (180, 2731)]