80276760

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{222991}}^1$

素因数の和:223008

約数の個数: 48

約数和(自身を含む): 260900640

約数和(自身を除く): 180623880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 222991, 445982, 668973, 891964, 1114955, 1337946, 1783928, 2006919, 2229910, 2675892, 3344865, 4013838, 4459820, 5351784, 6689730, 8027676, 8919640, 10034595, 13379460, 16055352, 20069190, 26758920, 40138380, 80276760]

約数ペア:

[(1, 80276760), (2, 40138380), (3, 26758920), (4, 20069190), (5, 16055352), (6, 13379460), (8, 10034595), (9, 8919640), (10, 8027676), (12, 6689730), (15, 5351784), (18, 4459820), (20, 4013838), (24, 3344865), (30, 2675892), (36, 2229910), (40, 2006919), (45, 1783928), (60, 1337946), (72, 1114955), (90, 891964), (120, 668973), (180, 445982), (360, 222991)]