217878660

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{127}}^1\times {\mathrm{353}}^1$

素因数の和:504

約数の個数: 144

約数和(自身を含む): 692729856

約数和(自身を除く): 474851196

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 127, 135, 162, 180, 243, 254, 270, 324, 353, 381, 405, 486, 508, 540, 635, 706, 762, 810, 972, 1059, 1143, 1215, 1270, 1412, 1524, 1620, 1765, 1905, 2118, 2286, 2430, 2540, 3177, 3429, 3530, 3810, 4236, 4572, 4860, 5295, 5715, 6354, 6858, 7060, 7620, 9531, 10287, 10590, 11430, 12708, 13716, 15885, 17145, 19062, 20574, 21180, 22860, 28593, 30861, 31770, 34290, 38124, 41148, 44831, 47655, 51435, 57186, 61722, 63540, 68580, 85779, 89662, 95310, 102870, 114372, 123444, 134493, 142965, 154305, 171558, 179324, 190620, 205740, 224155, 268986, 285930, 308610, 343116, 403479, 428895, 448310, 537972, 571860, 617220, 672465, 806958, 857790, 896620, 1210437, 1344930, 1613916, 1715580, 2017395, 2420874, 2689860, 3631311, 4034790, 4841748, 6052185, 7262622, 8069580, 10893933, 12104370, 14525244, 18156555, 21787866, 24208740, 36313110, 43575732, 54469665, 72626220, 108939330, 217878660]

約数ペア:

[(1, 217878660), (2, 108939330), (3, 72626220), (4, 54469665), (5, 43575732), (6, 36313110), (9, 24208740), (10, 21787866), (12, 18156555), (15, 14525244), (18, 12104370), (20, 10893933), (27, 8069580), (30, 7262622), (36, 6052185), (45, 4841748), (54, 4034790), (60, 3631311), (81, 2689860), (90, 2420874), (108, 2017395), (127, 1715580), (135, 1613916), (162, 1344930), (180, 1210437), (243, 896620), (254, 857790), (270, 806958), (324, 672465), (353, 617220), (381, 571860), (405, 537972), (486, 448310), (508, 428895), (540, 403479), (635, 343116), (706, 308610), (762, 285930), (810, 268986), (972, 224155), (1059, 205740), (1143, 190620), (1215, 179324), (1270, 171558), (1412, 154305), (1524, 142965), (1620, 134493), (1765, 123444), (1905, 114372), (2118, 102870), (2286, 95310), (2430, 89662), (2540, 85779), (3177, 68580), (3429, 63540), (3530, 61722), (3810, 57186), (4236, 51435), (4572, 47655), (4860, 44831), (5295, 41148), (5715, 38124), (6354, 34290), (6858, 31770), (7060, 30861), (7620, 28593), (9531, 22860), (10287, 21180), (10590, 20574), (11430, 19062), (12708, 17145), (13716, 15885)]