1279140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{21319}}^1$

素因数の和:21331

約数の個数: 24

約数和(自身を含む): 3581760

約数和(自身を除く): 2302620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 21319, 42638, 63957, 85276, 106595, 127914, 213190, 255828, 319785, 426380, 639570, 1279140]

約数ペア:

[(1, 1279140), (2, 639570), (3, 426380), (4, 319785), (5, 255828), (6, 213190), (10, 127914), (12, 106595), (15, 85276), (20, 63957), (30, 42638), (60, 21319)]