121928120

素因数分解:

$2^3\times 5^1\times {\mathrm{307}}^1\times {\mathrm{9929}}^1$

素因数の和:10247

約数の個数: 32

約数和(自身を含む): 275259600

約数和(自身を除く): 153331480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 307, 614, 1228, 1535, 2456, 3070, 6140, 9929, 12280, 19858, 39716, 49645, 79432, 99290, 198580, 397160, 3048203, 6096406, 12192812, 15241015, 24385624, 30482030, 60964060, 121928120]

約数ペア:

[(1, 121928120), (2, 60964060), (4, 30482030), (5, 24385624), (8, 15241015), (10, 12192812), (20, 6096406), (40, 3048203), (307, 397160), (614, 198580), (1228, 99290), (1535, 79432), (2456, 49645), (3070, 39716), (6140, 19858), (9929, 12280)]