640111785120

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{1949}}^1\times {\mathrm{228077}}^1$

素因数の和:230047

約数の個数: 144

約数和(自身を含む): 2185511819400

約数和(自身を除く): 1545400034280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 1949, 3898, 5847, 7796, 9745, 11694, 15592, 17541, 19490, 23388, 29235, 31184, 35082, 38980, 46776, 58470, 62368, 70164, 77960, 87705, 93552, 116940, 140328, 155920, 175410, 187104, 228077, 233880, 280656, 311840, 350820, 456154, 467760, 561312, 684231, 701640, 912308, 935520, 1140385, 1368462, 1403280, 1824616, 2052693, 2280770, 2736924, 2806560, 3421155, 3649232, 4105386, 4561540, 5473848, 6842310, 7298464, 8210772, 9123080, 10263465, 10947696, 13684620, 16421544, 18246160, 20526930, 21895392, 27369240, 32843088, 36492320, 41053860, 54738480, 65686176, 82107720, 109476960, 164215440, 328430880, 444522073, 889044146, 1333566219, 1778088292, 2222610365, 2667132438, 3556176584, 4000698657, 4445220730, 5334264876, 6667831095, 7112353168, 8001397314, 8890441460, 10668529752, 13335662190, 14224706336, 16002794628, 17780882920, 20003493285, 21337059504, 26671324380, 32005589256, 35561765840, 40006986570, 42674119008, 53342648760, 64011178512, 71123531680, 80013973140, 106685297520, 128022357024, 160027946280, 213370595040, 320055892560, 640111785120]

約数ペア:

[(1, 640111785120), (2, 320055892560), (3, 213370595040), (4, 160027946280), (5, 128022357024), (6, 106685297520), (8, 80013973140), (9, 71123531680), (10, 64011178512), (12, 53342648760), (15, 42674119008), (16, 40006986570), (18, 35561765840), (20, 32005589256), (24, 26671324380), (30, 21337059504), (32, 20003493285), (36, 17780882920), (40, 16002794628), (45, 14224706336), (48, 13335662190), (60, 10668529752), (72, 8890441460), (80, 8001397314), (90, 7112353168), (96, 6667831095), (120, 5334264876), (144, 4445220730), (160, 4000698657), (180, 3556176584), (240, 2667132438), (288, 2222610365), (360, 1778088292), (480, 1333566219), (720, 889044146), (1440, 444522073), (1949, 328430880), (3898, 164215440), (5847, 109476960), (7796, 82107720), (9745, 65686176), (11694, 54738480), (15592, 41053860), (17541, 36492320), (19490, 32843088), (23388, 27369240), (29235, 21895392), (31184, 20526930), (35082, 18246160), (38980, 16421544), (46776, 13684620), (58470, 10947696), (62368, 10263465), (70164, 9123080), (77960, 8210772), (87705, 7298464), (93552, 6842310), (116940, 5473848), (140328, 4561540), (155920, 4105386), (175410, 3649232), (187104, 3421155), (228077, 2806560), (233880, 2736924), (280656, 2280770), (311840, 2052693), (350820, 1824616), (456154, 1403280), (467760, 1368462), (561312, 1140385), (684231, 935520), (701640, 912308)]