8656920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{173}}^1$

素因数の和:329

約数の個数: 96

約数和(自身を含む): 28501200

約数和(自身を除く): 19844280

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, 139, 173, 180, 278, 346, 360, 417, 519, 556, 692, 695, 834, 865, 1038, 1112, 1251, 1384, 1390, 1557, 1668, 1730, 2076, 2085, 2502, 2595, 2780, 3114, 3336, 3460, 4152, 4170, 5004, 5190, 5560, 6228, 6255, 6920, 7785, 8340, 10008, 10380, 12456, 12510, 15570, 16680, 20760, 24047, 25020, 31140, 48094, 50040, 62280, 72141, 96188, 120235, 144282, 192376, 216423, 240470, 288564, 360705, 432846, 480940, 577128, 721410, 865692, 961880, 1082115, 1442820, 1731384, 2164230, 2885640, 4328460, 8656920]

約数ペア:

[(1, 8656920), (2, 4328460), (3, 2885640), (4, 2164230), (5, 1731384), (6, 1442820), (8, 1082115), (9, 961880), (10, 865692), (12, 721410), (15, 577128), (18, 480940), (20, 432846), (24, 360705), (30, 288564), (36, 240470), (40, 216423), (45, 192376), (60, 144282), (72, 120235), (90, 96188), (120, 72141), (139, 62280), (173, 50040), (180, 48094), (278, 31140), (346, 25020), (360, 24047), (417, 20760), (519, 16680), (556, 15570), (692, 12510), (695, 12456), (834, 10380), (865, 10008), (1038, 8340), (1112, 7785), (1251, 6920), (1384, 6255), (1390, 6228), (1557, 5560), (1668, 5190), (1730, 5004), (2076, 4170), (2085, 4152), (2502, 3460), (2595, 3336), (2780, 3114)]