7738140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{128969}}^1$

素因数の和:128981

約数の個数: 24

約数和(自身を含む): 21666960

約数和(自身を除く): 13928820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 128969, 257938, 386907, 515876, 644845, 773814, 1289690, 1547628, 1934535, 2579380, 3869070, 7738140]

約数ペア:

[(1, 7738140), (2, 3869070), (3, 2579380), (4, 1934535), (5, 1547628), (6, 1289690), (10, 773814), (12, 644845), (15, 515876), (20, 386907), (30, 257938), (60, 128969)]