78554640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{327311}}^1$

素因数の和:327327

約数の個数: 40

約数和(自身を含む): 243520128

約数和(自身を除く): 164965488

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 327311, 654622, 981933, 1309244, 1636555, 1963866, 2618488, 3273110, 3927732, 4909665, 5236976, 6546220, 7855464, 9819330, 13092440, 15710928, 19638660, 26184880, 39277320, 78554640]

約数ペア:

[(1, 78554640), (2, 39277320), (3, 26184880), (4, 19638660), (5, 15710928), (6, 13092440), (8, 9819330), (10, 7855464), (12, 6546220), (15, 5236976), (16, 4909665), (20, 3927732), (24, 3273110), (30, 2618488), (40, 1963866), (48, 1636555), (60, 1309244), (80, 981933), (120, 654622), (240, 327311)]