71320760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{1423}}^1$

素因数の和:1620

約数の個数: 64

約数和(自身を含む): 184550400

約数和(自身を除く): 113229640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 179, 280, 358, 716, 895, 1253, 1423, 1432, 1790, 2506, 2846, 3580, 5012, 5692, 6265, 7115, 7160, 9961, 10024, 11384, 12530, 14230, 19922, 25060, 28460, 39844, 49805, 50120, 56920, 79688, 99610, 199220, 254717, 398440, 509434, 1018868, 1273585, 1783019, 2037736, 2547170, 3566038, 5094340, 7132076, 8915095, 10188680, 14264152, 17830190, 35660380, 71320760]

約数ペア:

[(1, 71320760), (2, 35660380), (4, 17830190), (5, 14264152), (7, 10188680), (8, 8915095), (10, 7132076), (14, 5094340), (20, 3566038), (28, 2547170), (35, 2037736), (40, 1783019), (56, 1273585), (70, 1018868), (140, 509434), (179, 398440), (280, 254717), (358, 199220), (716, 99610), (895, 79688), (1253, 56920), (1423, 50120), (1432, 49805), (1790, 39844), (2506, 28460), (2846, 25060), (3580, 19922), (5012, 14230), (5692, 12530), (6265, 11384), (7115, 10024), (7160, 9961)]