80779590

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{449}}^1\times {\mathrm{1999}}^1$

素因数の和:2461

約数の個数: 48

約数和(自身を含む): 210600000

約数和(自身を除く): 129820410

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 449, 898, 1347, 1999, 2245, 2694, 3998, 4041, 4490, 5997, 6735, 8082, 9995, 11994, 13470, 17991, 19990, 20205, 29985, 35982, 40410, 59970, 89955, 179910, 897551, 1795102, 2692653, 4487755, 5385306, 8077959, 8975510, 13463265, 16155918, 26926530, 40389795, 80779590]

約数ペア:

[(1, 80779590), (2, 40389795), (3, 26926530), (5, 16155918), (6, 13463265), (9, 8975510), (10, 8077959), (15, 5385306), (18, 4487755), (30, 2692653), (45, 1795102), (90, 897551), (449, 179910), (898, 89955), (1347, 59970), (1999, 40410), (2245, 35982), (2694, 29985), (3998, 20205), (4041, 19990), (4490, 17991), (5997, 13470), (6735, 11994), (8082, 9995)]