20153660120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{255887}}^1$

素因数の和:256088

約数の個数: 64

約数和(自身を含む): 49744627200

約数和(自身を除く): 29590967080

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 179, 220, 358, 440, 716, 895, 1432, 1790, 1969, 3580, 3938, 7160, 7876, 9845, 15752, 19690, 39380, 78760, 255887, 511774, 1023548, 1279435, 2047096, 2558870, 2814757, 5117740, 5629514, 10235480, 11259028, 14073785, 22518056, 28147570, 45803773, 56295140, 91607546, 112590280, 183215092, 229018865, 366430184, 458037730, 503841503, 916075460, 1007683006, 1832150920, 2015366012, 2519207515, 4030732024, 5038415030, 10076830060, 20153660120]

約数ペア:

[(1, 20153660120), (2, 10076830060), (4, 5038415030), (5, 4030732024), (8, 2519207515), (10, 2015366012), (11, 1832150920), (20, 1007683006), (22, 916075460), (40, 503841503), (44, 458037730), (55, 366430184), (88, 229018865), (110, 183215092), (179, 112590280), (220, 91607546), (358, 56295140), (440, 45803773), (716, 28147570), (895, 22518056), (1432, 14073785), (1790, 11259028), (1969, 10235480), (3580, 5629514), (3938, 5117740), (7160, 2814757), (7876, 2558870), (9845, 2047096), (15752, 1279435), (19690, 1023548), (39380, 511774), (78760, 255887)]