21795522480

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{217781}}^1$

素因数の和:217939

約数の個数: 120

約数和(自身を含む): 73723562640

約数和(自身を除く): 51928040160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 139, 144, 180, 240, 278, 360, 417, 556, 695, 720, 834, 1112, 1251, 1390, 1668, 2085, 2224, 2502, 2780, 3336, 4170, 5004, 5560, 6255, 6672, 8340, 10008, 11120, 12510, 16680, 20016, 25020, 33360, 50040, 100080, 217781, 435562, 653343, 871124, 1088905, 1306686, 1742248, 1960029, 2177810, 2613372, 3266715, 3484496, 3920058, 4355620, 5226744, 6533430, 7840116, 8711240, 9800145, 10453488, 13066860, 15680232, 17422480, 19600290, 26133720, 30271559, 31360464, 39200580, 52267440, 60543118, 78401160, 90814677, 121086236, 151357795, 156802320, 181629354, 242172472, 272444031, 302715590, 363258708, 454073385, 484344944, 544888062, 605431180, 726517416, 908146770, 1089776124, 1210862360, 1362220155, 1453034832, 1816293540, 2179552248, 2421724720, 2724440310, 3632587080, 4359104496, 5448880620, 7265174160, 10897761240, 21795522480]

約数ペア:

[(1, 21795522480), (2, 10897761240), (3, 7265174160), (4, 5448880620), (5, 4359104496), (6, 3632587080), (8, 2724440310), (9, 2421724720), (10, 2179552248), (12, 1816293540), (15, 1453034832), (16, 1362220155), (18, 1210862360), (20, 1089776124), (24, 908146770), (30, 726517416), (36, 605431180), (40, 544888062), (45, 484344944), (48, 454073385), (60, 363258708), (72, 302715590), (80, 272444031), (90, 242172472), (120, 181629354), (139, 156802320), (144, 151357795), (180, 121086236), (240, 90814677), (278, 78401160), (360, 60543118), (417, 52267440), (556, 39200580), (695, 31360464), (720, 30271559), (834, 26133720), (1112, 19600290), (1251, 17422480), (1390, 15680232), (1668, 13066860), (2085, 10453488), (2224, 9800145), (2502, 8711240), (2780, 7840116), (3336, 6533430), (4170, 5226744), (5004, 4355620), (5560, 3920058), (6255, 3484496), (6672, 3266715), (8340, 2613372), (10008, 2177810), (11120, 1960029), (12510, 1742248), (16680, 1306686), (20016, 1088905), (25020, 871124), (33360, 653343), (50040, 435562), (100080, 217781)]