16907220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{8539}}^1$

素因数の和:8565

約数の個数: 72

約数和(自身を含む): 55954080

約数和(自身を除く): 39046860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 8539, 17078, 25617, 34156, 42695, 51234, 76851, 85390, 93929, 102468, 128085, 153702, 170780, 187858, 256170, 281787, 307404, 375716, 384255, 469645, 512340, 563574, 768510, 845361, 939290, 1127148, 1408935, 1537020, 1690722, 1878580, 2817870, 3381444, 4226805, 5635740, 8453610, 16907220]

約数ペア:

[(1, 16907220), (2, 8453610), (3, 5635740), (4, 4226805), (5, 3381444), (6, 2817870), (9, 1878580), (10, 1690722), (11, 1537020), (12, 1408935), (15, 1127148), (18, 939290), (20, 845361), (22, 768510), (30, 563574), (33, 512340), (36, 469645), (44, 384255), (45, 375716), (55, 307404), (60, 281787), (66, 256170), (90, 187858), (99, 170780), (110, 153702), (132, 128085), (165, 102468), (180, 93929), (198, 85390), (220, 76851), (330, 51234), (396, 42695), (495, 34156), (660, 25617), (990, 17078), (1980, 8539)]