15023120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{193}}^1$

素因数の和:352

約数の個数: 80

約数和(自身を含む): 40414080

約数和(自身を除く): 25390960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 139, 140, 193, 278, 280, 386, 556, 560, 695, 772, 965, 973, 1112, 1351, 1390, 1544, 1930, 1946, 2224, 2702, 2780, 3088, 3860, 3892, 4865, 5404, 5560, 6755, 7720, 7784, 9730, 10808, 11120, 13510, 15440, 15568, 19460, 21616, 26827, 27020, 38920, 53654, 54040, 77840, 107308, 108080, 134135, 187789, 214616, 268270, 375578, 429232, 536540, 751156, 938945, 1073080, 1502312, 1877890, 2146160, 3004624, 3755780, 7511560, 15023120]

約数ペア:

[(1, 15023120), (2, 7511560), (4, 3755780), (5, 3004624), (7, 2146160), (8, 1877890), (10, 1502312), (14, 1073080), (16, 938945), (20, 751156), (28, 536540), (35, 429232), (40, 375578), (56, 268270), (70, 214616), (80, 187789), (112, 134135), (139, 108080), (140, 107308), (193, 77840), (278, 54040), (280, 53654), (386, 38920), (556, 27020), (560, 26827), (695, 21616), (772, 19460), (965, 15568), (973, 15440), (1112, 13510), (1351, 11120), (1390, 10808), (1544, 9730), (1930, 7784), (1946, 7720), (2224, 6755), (2702, 5560), (2780, 5404), (3088, 4865), (3860, 3892)]