80438640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{335161}}^1$

素因数の和:335177

約数の個数: 40

約数和(自身を含む): 249360528

約数和(自身を除く): 168921888

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 335161, 670322, 1005483, 1340644, 1675805, 2010966, 2681288, 3351610, 4021932, 5027415, 5362576, 6703220, 8043864, 10054830, 13406440, 16087728, 20109660, 26812880, 40219320, 80438640]

約数ペア:

[(1, 80438640), (2, 40219320), (3, 26812880), (4, 20109660), (5, 16087728), (6, 13406440), (8, 10054830), (10, 8043864), (12, 6703220), (15, 5362576), (16, 5027415), (20, 4021932), (24, 3351610), (30, 2681288), (40, 2010966), (48, 1675805), (60, 1340644), (80, 1005483), (120, 670322), (240, 335161)]