80871540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{10289}}^1$

素因数の和:10432

約数の個数: 48

約数和(自身を含む): 228191040

約数和(自身を除く): 147319500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 131, 262, 393, 524, 655, 786, 1310, 1572, 1965, 2620, 3930, 7860, 10289, 20578, 30867, 41156, 51445, 61734, 102890, 123468, 154335, 205780, 308670, 617340, 1347859, 2695718, 4043577, 5391436, 6739295, 8087154, 13478590, 16174308, 20217885, 26957180, 40435770, 80871540]

約数ペア:

[(1, 80871540), (2, 40435770), (3, 26957180), (4, 20217885), (5, 16174308), (6, 13478590), (10, 8087154), (12, 6739295), (15, 5391436), (20, 4043577), (30, 2695718), (60, 1347859), (131, 617340), (262, 308670), (393, 205780), (524, 154335), (655, 123468), (786, 102890), (1310, 61734), (1572, 51445), (1965, 41156), (2620, 30867), (3930, 20578), (7860, 10289)]