64145480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{1187}}^1$

素因数の和:1398

約数の個数: 64

約数和(自身を含む): 165939840

約数和(自身を除く): 101794360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 193, 280, 386, 772, 965, 1187, 1351, 1544, 1930, 2374, 2702, 3860, 4748, 5404, 5935, 6755, 7720, 8309, 9496, 10808, 11870, 13510, 16618, 23740, 27020, 33236, 41545, 47480, 54040, 66472, 83090, 166180, 229091, 332360, 458182, 916364, 1145455, 1603637, 1832728, 2290910, 3207274, 4581820, 6414548, 8018185, 9163640, 12829096, 16036370, 32072740, 64145480]

約数ペア:

[(1, 64145480), (2, 32072740), (4, 16036370), (5, 12829096), (7, 9163640), (8, 8018185), (10, 6414548), (14, 4581820), (20, 3207274), (28, 2290910), (35, 1832728), (40, 1603637), (56, 1145455), (70, 916364), (140, 458182), (193, 332360), (280, 229091), (386, 166180), (772, 83090), (965, 66472), (1187, 54040), (1351, 47480), (1544, 41545), (1930, 33236), (2374, 27020), (2702, 23740), (3860, 16618), (4748, 13510), (5404, 11870), (5935, 10808), (6755, 9496), (7720, 8309)]