18687120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{77863}}^1$

素因数の和:77879

約数の個数: 40

約数和(自身を含む): 57930816

約数和(自身を除く): 39243696

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 77863, 155726, 233589, 311452, 389315, 467178, 622904, 778630, 934356, 1167945, 1245808, 1557260, 1868712, 2335890, 3114520, 3737424, 4671780, 6229040, 9343560, 18687120]

約数ペア:

[(1, 18687120), (2, 9343560), (3, 6229040), (4, 4671780), (5, 3737424), (6, 3114520), (8, 2335890), (10, 1868712), (12, 1557260), (15, 1245808), (16, 1167945), (20, 934356), (24, 778630), (30, 622904), (40, 467178), (48, 389315), (60, 311452), (80, 233589), (120, 155726), (240, 77863)]