77657640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{647147}}^1$

素因数の和:647161

約数の個数: 32

約数和(自身を含む): 232973280

約数和(自身を除く): 155315640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 647147, 1294294, 1941441, 2588588, 3235735, 3882882, 5177176, 6471470, 7765764, 9707205, 12942940, 15531528, 19414410, 25885880, 38828820, 77657640]

約数ペア:

[(1, 77657640), (2, 38828820), (3, 25885880), (4, 19414410), (5, 15531528), (6, 12942940), (8, 9707205), (10, 7765764), (12, 6471470), (15, 5177176), (20, 3882882), (24, 3235735), (30, 2588588), (40, 1941441), (60, 1294294), (120, 647147)]