56320020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2251}}^1$

素因数の和:2405

約数の個数: 72

約数和(自身を含む): 172142880

約数和(自身を除く): 115822860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 139, 180, 278, 417, 556, 695, 834, 1251, 1390, 1668, 2085, 2251, 2502, 2780, 4170, 4502, 5004, 6255, 6753, 8340, 9004, 11255, 12510, 13506, 20259, 22510, 25020, 27012, 33765, 40518, 45020, 67530, 81036, 101295, 135060, 202590, 312889, 405180, 625778, 938667, 1251556, 1564445, 1877334, 2816001, 3128890, 3754668, 4693335, 5632002, 6257780, 9386670, 11264004, 14080005, 18773340, 28160010, 56320020]

約数ペア:

[(1, 56320020), (2, 28160010), (3, 18773340), (4, 14080005), (5, 11264004), (6, 9386670), (9, 6257780), (10, 5632002), (12, 4693335), (15, 3754668), (18, 3128890), (20, 2816001), (30, 1877334), (36, 1564445), (45, 1251556), (60, 938667), (90, 625778), (139, 405180), (180, 312889), (278, 202590), (417, 135060), (556, 101295), (695, 81036), (834, 67530), (1251, 45020), (1390, 40518), (1668, 33765), (2085, 27012), (2251, 25020), (2502, 22510), (2780, 20259), (4170, 13506), (4502, 12510), (5004, 11255), (6255, 9004), (6753, 8340)]