68889560

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{523}}^1$

素因数の和:660

約数の個数: 64

約数和(自身を含む): 161287200

約数和(自身を除く): 92397640

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 89, 148, 178, 185, 296, 356, 370, 445, 523, 712, 740, 890, 1046, 1480, 1780, 2092, 2615, 3293, 3560, 4184, 5230, 6586, 10460, 13172, 16465, 19351, 20920, 26344, 32930, 38702, 46547, 65860, 77404, 93094, 96755, 131720, 154808, 186188, 193510, 232735, 372376, 387020, 465470, 774040, 930940, 1722239, 1861880, 3444478, 6888956, 8611195, 13777912, 17222390, 34444780, 68889560]

約数ペア:

[(1, 68889560), (2, 34444780), (4, 17222390), (5, 13777912), (8, 8611195), (10, 6888956), (20, 3444478), (37, 1861880), (40, 1722239), (74, 930940), (89, 774040), (148, 465470), (178, 387020), (185, 372376), (296, 232735), (356, 193510), (370, 186188), (445, 154808), (523, 131720), (712, 96755), (740, 93094), (890, 77404), (1046, 65860), (1480, 46547), (1780, 38702), (2092, 32930), (2615, 26344), (3293, 20920), (3560, 19351), (4184, 16465), (5230, 13172), (6586, 10460)]