2685495280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{2687}}^1$

素因数の和:2775

約数の個数: 120

約数和(自身を含む): 6950555136

約数和(自身を除く): 4265059856

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 961, 1040, 1240, 1612, 1922, 2015, 2480, 2687, 3224, 3844, 4030, 4805, 5374, 6448, 7688, 8060, 9610, 10748, 12493, 13435, 15376, 16120, 19220, 21496, 24986, 26870, 32240, 34931, 38440, 42992, 49972, 53740, 62465, 69862, 76880, 83297, 99944, 107480, 124930, 139724, 166594, 174655, 199888, 214960, 249860, 279448, 333188, 349310, 416485, 499720, 558896, 666376, 698620, 832970, 999440, 1082861, 1332752, 1397240, 1665940, 2165722, 2582207, 2794480, 3331880, 4331444, 5164414, 5414305, 6663760, 8662888, 10328828, 10828610, 12911035, 17325776, 20657656, 21657220, 25822070, 33568691, 41315312, 43314440, 51644140, 67137382, 86628880, 103288280, 134274764, 167843455, 206576560, 268549528, 335686910, 537099056, 671373820, 1342747640, 2685495280]

約数ペア:

[(1, 2685495280), (2, 1342747640), (4, 671373820), (5, 537099056), (8, 335686910), (10, 268549528), (13, 206576560), (16, 167843455), (20, 134274764), (26, 103288280), (31, 86628880), (40, 67137382), (52, 51644140), (62, 43314440), (65, 41315312), (80, 33568691), (104, 25822070), (124, 21657220), (130, 20657656), (155, 17325776), (208, 12911035), (248, 10828610), (260, 10328828), (310, 8662888), (403, 6663760), (496, 5414305), (520, 5164414), (620, 4331444), (806, 3331880), (961, 2794480), (1040, 2582207), (1240, 2165722), (1612, 1665940), (1922, 1397240), (2015, 1332752), (2480, 1082861), (2687, 999440), (3224, 832970), (3844, 698620), (4030, 666376), (4805, 558896), (5374, 499720), (6448, 416485), (7688, 349310), (8060, 333188), (9610, 279448), (10748, 249860), (12493, 214960), (13435, 199888), (15376, 174655), (16120, 166594), (19220, 139724), (21496, 124930), (24986, 107480), (26870, 99944), (32240, 83297), (34931, 76880), (38440, 69862), (42992, 62465), (49972, 53740)]