80851140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{449173}}^1$

素因数の和:449188

約数の個数: 36

約数和(自身を含む): 245249004

約数和(自身を除く): 164397864

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 449173, 898346, 1347519, 1796692, 2245865, 2695038, 4042557, 4491730, 5390076, 6737595, 8085114, 8983460, 13475190, 16170228, 20212785, 26950380, 40425570, 80851140]

約数ペア:

[(1, 80851140), (2, 40425570), (3, 26950380), (4, 20212785), (5, 16170228), (6, 13475190), (9, 8983460), (10, 8085114), (12, 6737595), (15, 5390076), (18, 4491730), (20, 4042557), (30, 2695038), (36, 2245865), (45, 1796692), (60, 1347519), (90, 898346), (180, 449173)]