28364280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{33767}}^1$

素因数の和:33788

約数の個数: 64

約数和(自身を含む): 97251840

約数和(自身を除く): 68887560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 33767, 67534, 101301, 135068, 168835, 202602, 236369, 270136, 337670, 405204, 472738, 506505, 675340, 709107, 810408, 945476, 1013010, 1181845, 1350680, 1418214, 1890952, 2026020, 2363690, 2836428, 3545535, 4052040, 4727380, 5672856, 7091070, 9454760, 14182140, 28364280]

約数ペア:

[(1, 28364280), (2, 14182140), (3, 9454760), (4, 7091070), (5, 5672856), (6, 4727380), (7, 4052040), (8, 3545535), (10, 2836428), (12, 2363690), (14, 2026020), (15, 1890952), (20, 1418214), (21, 1350680), (24, 1181845), (28, 1013010), (30, 945476), (35, 810408), (40, 709107), (42, 675340), (56, 506505), (60, 472738), (70, 405204), (84, 337670), (105, 270136), (120, 236369), (140, 202602), (168, 168835), (210, 135068), (280, 101301), (420, 67534), (840, 33767)]