1987777080

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{5521603}}^1$

素因数の和:5521620

約数の個数: 48

約数和(自身を含む): 6460276680

約数和(自身を除く): 4472499600

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, 360, 5521603, 11043206, 16564809, 22086412, 27608015, 33129618, 44172824, 49694427, 55216030, 66259236, 82824045, 99388854, 110432060, 132518472, 165648090, 198777708, 220864120, 248472135, 331296180, 397555416, 496944270, 662592360, 993888540, 1987777080]

約数ペア:

[(1, 1987777080), (2, 993888540), (3, 662592360), (4, 496944270), (5, 397555416), (6, 331296180), (8, 248472135), (9, 220864120), (10, 198777708), (12, 165648090), (15, 132518472), (18, 110432060), (20, 99388854), (24, 82824045), (30, 66259236), (36, 55216030), (40, 49694427), (45, 44172824), (60, 33129618), (72, 27608015), (90, 22086412), (120, 16564809), (180, 11043206), (360, 5521603)]