78721320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{6763}}^1$

素因数の和:6874

約数の個数: 64

約数和(自身を含む): 238633920

約数和(自身を除く): 159912600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 97, 120, 194, 291, 388, 485, 582, 776, 970, 1164, 1455, 1940, 2328, 2910, 3880, 5820, 6763, 11640, 13526, 20289, 27052, 33815, 40578, 54104, 67630, 81156, 101445, 135260, 162312, 202890, 270520, 405780, 656011, 811560, 1312022, 1968033, 2624044, 3280055, 3936066, 5248088, 6560110, 7872132, 9840165, 13120220, 15744264, 19680330, 26240440, 39360660, 78721320]

約数ペア:

[(1, 78721320), (2, 39360660), (3, 26240440), (4, 19680330), (5, 15744264), (6, 13120220), (8, 9840165), (10, 7872132), (12, 6560110), (15, 5248088), (20, 3936066), (24, 3280055), (30, 2624044), (40, 1968033), (60, 1312022), (97, 811560), (120, 656011), (194, 405780), (291, 270520), (388, 202890), (485, 162312), (582, 135260), (776, 101445), (970, 81156), (1164, 67630), (1455, 54104), (1940, 40578), (2328, 33815), (2910, 27052), (3880, 20289), (5820, 13526), (6763, 11640)]