21446160

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{193}}^1\times {\mathrm{463}}^1$

素因数の和:672

約数の個数: 80

約数和(自身を含む): 66971904

約数和(自身を除く): 45525744

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 193, 240, 386, 463, 579, 772, 926, 965, 1158, 1389, 1544, 1852, 1930, 2315, 2316, 2778, 2895, 3088, 3704, 3860, 4630, 4632, 5556, 5790, 6945, 7408, 7720, 9260, 9264, 11112, 11580, 13890, 15440, 18520, 22224, 23160, 27780, 37040, 46320, 55560, 89359, 111120, 178718, 268077, 357436, 446795, 536154, 714872, 893590, 1072308, 1340385, 1429744, 1787180, 2144616, 2680770, 3574360, 4289232, 5361540, 7148720, 10723080, 21446160]

約数ペア:

[(1, 21446160), (2, 10723080), (3, 7148720), (4, 5361540), (5, 4289232), (6, 3574360), (8, 2680770), (10, 2144616), (12, 1787180), (15, 1429744), (16, 1340385), (20, 1072308), (24, 893590), (30, 714872), (40, 536154), (48, 446795), (60, 357436), (80, 268077), (120, 178718), (193, 111120), (240, 89359), (386, 55560), (463, 46320), (579, 37040), (772, 27780), (926, 23160), (965, 22224), (1158, 18520), (1389, 15440), (1544, 13890), (1852, 11580), (1930, 11112), (2315, 9264), (2316, 9260), (2778, 7720), (2895, 7408), (3088, 6945), (3704, 5790), (3860, 5556), (4630, 4632)]