68387220

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{397}}^1$

素因数の和:455

約数の個数: 192

約数和(自身を含む): 240710400

約数和(自身を除く): 172323180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 29, 30, 33, 36, 44, 45, 54, 55, 58, 60, 66, 87, 90, 99, 108, 110, 116, 132, 135, 145, 165, 174, 180, 198, 220, 261, 270, 290, 297, 319, 330, 348, 396, 397, 435, 495, 522, 540, 580, 594, 638, 660, 783, 794, 870, 957, 990, 1044, 1188, 1191, 1276, 1305, 1485, 1566, 1588, 1595, 1740, 1914, 1980, 1985, 2382, 2610, 2871, 2970, 3132, 3190, 3573, 3828, 3915, 3970, 4367, 4764, 4785, 5220, 5742, 5940, 5955, 6380, 7146, 7830, 7940, 8613, 8734, 9570, 10719, 11484, 11513, 11910, 13101, 14292, 14355, 15660, 17226, 17468, 17865, 19140, 21438, 21835, 23026, 23820, 26202, 28710, 34452, 34539, 35730, 39303, 42876, 43065, 43670, 46052, 52404, 53595, 57420, 57565, 65505, 69078, 71460, 78606, 86130, 87340, 103617, 107190, 115130, 117909, 126643, 131010, 138156, 157212, 172260, 172695, 196515, 207234, 214380, 230260, 235818, 253286, 262020, 310851, 345390, 379929, 393030, 414468, 471636, 506572, 518085, 589545, 621702, 633215, 690780, 759858, 786060, 1036170, 1139787, 1179090, 1243404, 1266430, 1519716, 1554255, 1899645, 2072340, 2279574, 2358180, 2532860, 3108510, 3419361, 3799290, 4559148, 5698935, 6217020, 6838722, 7598580, 11397870, 13677444, 17096805, 22795740, 34193610, 68387220]

約数ペア:

[(1, 68387220), (2, 34193610), (3, 22795740), (4, 17096805), (5, 13677444), (6, 11397870), (9, 7598580), (10, 6838722), (11, 6217020), (12, 5698935), (15, 4559148), (18, 3799290), (20, 3419361), (22, 3108510), (27, 2532860), (29, 2358180), (30, 2279574), (33, 2072340), (36, 1899645), (44, 1554255), (45, 1519716), (54, 1266430), (55, 1243404), (58, 1179090), (60, 1139787), (66, 1036170), (87, 786060), (90, 759858), (99, 690780), (108, 633215), (110, 621702), (116, 589545), (132, 518085), (135, 506572), (145, 471636), (165, 414468), (174, 393030), (180, 379929), (198, 345390), (220, 310851), (261, 262020), (270, 253286), (290, 235818), (297, 230260), (319, 214380), (330, 207234), (348, 196515), (396, 172695), (397, 172260), (435, 157212), (495, 138156), (522, 131010), (540, 126643), (580, 117909), (594, 115130), (638, 107190), (660, 103617), (783, 87340), (794, 86130), (870, 78606), (957, 71460), (990, 69078), (1044, 65505), (1188, 57565), (1191, 57420), (1276, 53595), (1305, 52404), (1485, 46052), (1566, 43670), (1588, 43065), (1595, 42876), (1740, 39303), (1914, 35730), (1980, 34539), (1985, 34452), (2382, 28710), (2610, 26202), (2871, 23820), (2970, 23026), (3132, 21835), (3190, 21438), (3573, 19140), (3828, 17865), (3915, 17468), (3970, 17226), (4367, 15660), (4764, 14355), (4785, 14292), (5220, 13101), (5742, 11910), (5940, 11513), (5955, 11484), (6380, 10719), (7146, 9570), (7830, 8734), (7940, 8613)]