16855740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{8513}}^1$

素因数の和:8539

約数の個数: 72

約数和(自身を含む): 55783728

約数和(自身を除く): 38927988

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, 8513, 17026, 25539, 34052, 42565, 51078, 76617, 85130, 93643, 102156, 127695, 153234, 170260, 187286, 255390, 280929, 306468, 374572, 383085, 468215, 510780, 561858, 766170, 842787, 936430, 1123716, 1404645, 1532340, 1685574, 1872860, 2809290, 3371148, 4213935, 5618580, 8427870, 16855740]

約数ペア:

[(1, 16855740), (2, 8427870), (3, 5618580), (4, 4213935), (5, 3371148), (6, 2809290), (9, 1872860), (10, 1685574), (11, 1532340), (12, 1404645), (15, 1123716), (18, 936430), (20, 842787), (22, 766170), (30, 561858), (33, 510780), (36, 468215), (44, 383085), (45, 374572), (55, 306468), (60, 280929), (66, 255390), (90, 187286), (99, 170260), (110, 153234), (132, 127695), (165, 102156), (180, 93643), (198, 85130), (220, 76617), (330, 51078), (396, 42565), (495, 34052), (660, 25539), (990, 17026), (1980, 8513)]