28287180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{5419}}^1$

素因数の和:5463

約数の個数: 72

約数和(自身を含む): 88779600

約数和(自身を除く): 60492420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 261, 290, 348, 435, 522, 580, 870, 1044, 1305, 1740, 2610, 5220, 5419, 10838, 16257, 21676, 27095, 32514, 48771, 54190, 65028, 81285, 97542, 108380, 157151, 162570, 195084, 243855, 314302, 325140, 471453, 487710, 628604, 785755, 942906, 975420, 1414359, 1571510, 1885812, 2357265, 2828718, 3143020, 4714530, 5657436, 7071795, 9429060, 14143590, 28287180]

約数ペア:

[(1, 28287180), (2, 14143590), (3, 9429060), (4, 7071795), (5, 5657436), (6, 4714530), (9, 3143020), (10, 2828718), (12, 2357265), (15, 1885812), (18, 1571510), (20, 1414359), (29, 975420), (30, 942906), (36, 785755), (45, 628604), (58, 487710), (60, 471453), (87, 325140), (90, 314302), (116, 243855), (145, 195084), (174, 162570), (180, 157151), (261, 108380), (290, 97542), (348, 81285), (435, 65028), (522, 54190), (580, 48771), (870, 32514), (1044, 27095), (1305, 21676), (1740, 16257), (2610, 10838), (5220, 5419)]