71289960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{84869}}^1$

素因数の和:84890

約数の個数: 64

約数和(自身を含む): 244425600

約数和(自身を除く): 173135640

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, 84869, 169738, 254607, 339476, 424345, 509214, 594083, 678952, 848690, 1018428, 1188166, 1273035, 1697380, 1782249, 2036856, 2376332, 2546070, 2970415, 3394760, 3564498, 4752664, 5092140, 5940830, 7128996, 8911245, 10184280, 11881660, 14257992, 17822490, 23763320, 35644980, 71289960]

約数ペア:

[(1, 71289960), (2, 35644980), (3, 23763320), (4, 17822490), (5, 14257992), (6, 11881660), (7, 10184280), (8, 8911245), (10, 7128996), (12, 5940830), (14, 5092140), (15, 4752664), (20, 3564498), (21, 3394760), (24, 2970415), (28, 2546070), (30, 2376332), (35, 2036856), (40, 1782249), (42, 1697380), (56, 1273035), (60, 1188166), (70, 1018428), (84, 848690), (105, 678952), (120, 594083), (140, 509214), (168, 424345), (210, 339476), (280, 254607), (420, 169738), (840, 84869)]