136688680

素因数分解:

$2^3\times 5^1\times {\mathrm{307}}^1\times {\mathrm{11131}}^1$

素因数の和:11449

約数の個数: 32

約数和(自身を含む): 308579040

約数和(自身を除く): 171890360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 307, 614, 1228, 1535, 2456, 3070, 6140, 11131, 12280, 22262, 44524, 55655, 89048, 111310, 222620, 445240, 3417217, 6834434, 13668868, 17086085, 27337736, 34172170, 68344340, 136688680]

約数ペア:

[(1, 136688680), (2, 68344340), (4, 34172170), (5, 27337736), (8, 17086085), (10, 13668868), (20, 6834434), (40, 3417217), (307, 445240), (614, 222620), (1228, 111310), (1535, 89048), (2456, 55655), (3070, 44524), (6140, 22262), (11131, 12280)]