71821960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{1433}}^1$

素因数の和:1630

約数の個数: 64

約数和(自身を含む): 185846400

約数和(自身を除く): 114024440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 179, 280, 358, 716, 895, 1253, 1432, 1433, 1790, 2506, 2866, 3580, 5012, 5732, 6265, 7160, 7165, 10024, 10031, 11464, 12530, 14330, 20062, 25060, 28660, 40124, 50120, 50155, 57320, 80248, 100310, 200620, 256507, 401240, 513014, 1026028, 1282535, 1795549, 2052056, 2565070, 3591098, 5130140, 7182196, 8977745, 10260280, 14364392, 17955490, 35910980, 71821960]

約数ペア:

[(1, 71821960), (2, 35910980), (4, 17955490), (5, 14364392), (7, 10260280), (8, 8977745), (10, 7182196), (14, 5130140), (20, 3591098), (28, 2565070), (35, 2052056), (40, 1795549), (56, 1282535), (70, 1026028), (140, 513014), (179, 401240), (280, 256507), (358, 200620), (716, 100310), (895, 80248), (1253, 57320), (1432, 50155), (1433, 50120), (1790, 40124), (2506, 28660), (2866, 25060), (3580, 20062), (5012, 14330), (5732, 12530), (6265, 11464), (7160, 10031), (7165, 10024)]