12713820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{30271}}^1$

素因数の和:30290

約数の個数: 48

約数和(自身を含む): 40685568

約数和(自身を除く): 27971748

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 30271, 60542, 90813, 121084, 151355, 181626, 211897, 302710, 363252, 423794, 454065, 605420, 635691, 847588, 908130, 1059485, 1271382, 1816260, 2118970, 2542764, 3178455, 4237940, 6356910, 12713820]

約数ペア:

[(1, 12713820), (2, 6356910), (3, 4237940), (4, 3178455), (5, 2542764), (6, 2118970), (7, 1816260), (10, 1271382), (12, 1059485), (14, 908130), (15, 847588), (20, 635691), (21, 605420), (28, 454065), (30, 423794), (35, 363252), (42, 302710), (60, 211897), (70, 181626), (84, 151355), (105, 121084), (140, 90813), (210, 60542), (420, 30271)]