28778040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{79939}}^1$

素因数の和:79956

約数の個数: 48

約数和(自身を含む): 93529800

約数和(自身を除く): 64751760

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, 79939, 159878, 239817, 319756, 399695, 479634, 639512, 719451, 799390, 959268, 1199085, 1438902, 1598780, 1918536, 2398170, 2877804, 3197560, 3597255, 4796340, 5755608, 7194510, 9592680, 14389020, 28778040]

約数ペア:

[(1, 28778040), (2, 14389020), (3, 9592680), (4, 7194510), (5, 5755608), (6, 4796340), (8, 3597255), (9, 3197560), (10, 2877804), (12, 2398170), (15, 1918536), (18, 1598780), (20, 1438902), (24, 1199085), (30, 959268), (36, 799390), (40, 719451), (45, 639512), (60, 479634), (72, 399695), (90, 319756), (120, 239817), (180, 159878), (360, 79939)]