80280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{223}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 262080

約数和(自身を除く): 181800

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, 223, 360, 446, 669, 892, 1115, 1338, 1784, 2007, 2230, 2676, 3345, 4014, 4460, 5352, 6690, 8028, 8920, 10035, 13380, 16056, 20070, 26760, 40140, 80280]

約数ペア:

[(1, 80280), (2, 40140), (3, 26760), (4, 20070), (5, 16056), (6, 13380), (8, 10035), (9, 8920), (10, 8028), (12, 6690), (15, 5352), (18, 4460), (20, 4014), (24, 3345), (30, 2676), (36, 2230), (40, 2007), (45, 1784), (60, 1338), (72, 1115), (90, 892), (120, 669), (180, 446), (223, 360)]