15980510540

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{599419}}^1$

素因数の和:599502

約数の個数: 48

約数和(自身を含む): 35447301120

約数和(自身を除く): 19466790580

約数列:

[1, 2, 4, 5, 10, 20, 31, 43, 62, 86, 124, 155, 172, 215, 310, 430, 620, 860, 1333, 2666, 5332, 6665, 13330, 26660, 599419, 1198838, 2397676, 2997095, 5994190, 11988380, 18581989, 25775017, 37163978, 51550034, 74327956, 92909945, 103100068, 128875085, 185819890, 257750170, 371639780, 515500340, 799025527, 1598051054, 3196102108, 3995127635, 7990255270, 15980510540]

約数ペア:

[(1, 15980510540), (2, 7990255270), (4, 3995127635), (5, 3196102108), (10, 1598051054), (20, 799025527), (31, 515500340), (43, 371639780), (62, 257750170), (86, 185819890), (124, 128875085), (155, 103100068), (172, 92909945), (215, 74327956), (310, 51550034), (430, 37163978), (620, 25775017), (860, 18581989), (1333, 11988380), (2666, 5994190), (5332, 2997095), (6665, 2397676), (13330, 1198838), (26660, 599419)]