80834520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{51817}}^1$

素因数の和:51844

約数の個数: 64

約数和(自身を含む): 261162720

約数和(自身を除く): 180328200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 51817, 103634, 155451, 207268, 259085, 310902, 414536, 518170, 621804, 673621, 777255, 1036340, 1243608, 1347242, 1554510, 2020863, 2072680, 2694484, 3109020, 3368105, 4041726, 5388968, 6218040, 6736210, 8083452, 10104315, 13472420, 16166904, 20208630, 26944840, 40417260, 80834520]

約数ペア:

[(1, 80834520), (2, 40417260), (3, 26944840), (4, 20208630), (5, 16166904), (6, 13472420), (8, 10104315), (10, 8083452), (12, 6736210), (13, 6218040), (15, 5388968), (20, 4041726), (24, 3368105), (26, 3109020), (30, 2694484), (39, 2072680), (40, 2020863), (52, 1554510), (60, 1347242), (65, 1243608), (78, 1036340), (104, 777255), (120, 673621), (130, 621804), (156, 518170), (195, 414536), (260, 310902), (312, 259085), (390, 207268), (520, 155451), (780, 103634), (1560, 51817)]