128667720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{1072231}}^1$

素因数の和:1072245

約数の個数: 32

約数和(自身を含む): 386003520

約数和(自身を除く): 257335800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1072231, 2144462, 3216693, 4288924, 5361155, 6433386, 8577848, 10722310, 12866772, 16083465, 21444620, 25733544, 32166930, 42889240, 64333860, 128667720]

約数ペア:

[(1, 128667720), (2, 64333860), (3, 42889240), (4, 32166930), (5, 25733544), (6, 21444620), (8, 16083465), (10, 12866772), (12, 10722310), (15, 8577848), (20, 6433386), (24, 5361155), (30, 4288924), (40, 3216693), (60, 2144462), (120, 1072231)]