78698040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{6761}}^1$

素因数の和:6872

約数の個数: 64

約数和(自身を含む): 238563360

約数和(自身を除く): 159865320

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, 6761, 11640, 13522, 20283, 27044, 33805, 40566, 54088, 67610, 81132, 101415, 135220, 162264, 202830, 270440, 405660, 655817, 811320, 1311634, 1967451, 2623268, 3279085, 3934902, 5246536, 6558170, 7869804, 9837255, 13116340, 15739608, 19674510, 26232680, 39349020, 78698040]

約数ペア:

[(1, 78698040), (2, 39349020), (3, 26232680), (4, 19674510), (5, 15739608), (6, 13116340), (8, 9837255), (10, 7869804), (12, 6558170), (15, 5246536), (20, 3934902), (24, 3279085), (30, 2623268), (40, 1967451), (60, 1311634), (97, 811320), (120, 655817), (194, 405660), (291, 270440), (388, 202830), (485, 162264), (582, 135220), (776, 101415), (970, 81132), (1164, 67610), (1455, 54088), (1940, 40566), (2328, 33805), (2910, 27044), (3880, 20283), (5820, 13522), (6761, 11640)]