82747280

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1$

素因数の和:158

約数の個数: 240

約数和(自身を含む): 259536960

約数和(自身を除く): 176789680

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 19, 20, 22, 28, 35, 38, 40, 44, 49, 55, 56, 70, 76, 77, 80, 88, 95, 98, 101, 110, 112, 133, 140, 152, 154, 176, 190, 196, 202, 209, 220, 245, 266, 280, 304, 308, 380, 385, 392, 404, 418, 440, 490, 505, 532, 539, 560, 616, 665, 707, 760, 770, 784, 808, 836, 880, 931, 980, 1010, 1045, 1064, 1078, 1111, 1232, 1330, 1414, 1463, 1520, 1540, 1616, 1672, 1862, 1919, 1960, 2020, 2090, 2128, 2156, 2222, 2660, 2695, 2828, 2926, 3080, 3344, 3535, 3724, 3838, 3920, 4040, 4180, 4312, 4444, 4655, 4949, 5320, 5390, 5555, 5656, 5852, 6160, 7070, 7315, 7448, 7676, 7777, 8080, 8360, 8624, 8888, 9310, 9595, 9898, 10241, 10640, 10780, 11110, 11312, 11704, 13433, 14140, 14630, 14896, 15352, 15554, 16720, 17776, 18620, 19190, 19796, 20482, 21109, 21560, 22220, 23408, 24745, 26866, 28280, 29260, 30704, 31108, 37240, 38380, 38885, 39592, 40964, 42218, 43120, 44440, 49490, 51205, 53732, 54439, 56560, 58520, 62216, 67165, 74480, 76760, 77770, 79184, 81928, 84436, 88880, 94031, 98980, 102410, 105545, 107464, 108878, 117040, 124432, 134330, 147763, 153520, 155540, 163856, 168872, 188062, 197960, 204820, 211090, 214928, 217756, 268660, 272195, 295526, 311080, 337744, 376124, 395920, 409640, 422180, 435512, 470155, 537320, 544390, 591052, 622160, 738815, 752248, 819280, 844360, 871024, 940310, 1034341, 1074640, 1088780, 1182104, 1477630, 1504496, 1688720, 1880620, 2068682, 2177560, 2364208, 2955260, 3761240, 4137364, 4355120, 5171705, 5910520, 7522480, 8274728, 10343410, 11821040, 16549456, 20686820, 41373640, 82747280]

約数ペア:

[(1, 82747280), (2, 41373640), (4, 20686820), (5, 16549456), (7, 11821040), (8, 10343410), (10, 8274728), (11, 7522480), (14, 5910520), (16, 5171705), (19, 4355120), (20, 4137364), (22, 3761240), (28, 2955260), (35, 2364208), (38, 2177560), (40, 2068682), (44, 1880620), (49, 1688720), (55, 1504496), (56, 1477630), (70, 1182104), (76, 1088780), (77, 1074640), (80, 1034341), (88, 940310), (95, 871024), (98, 844360), (101, 819280), (110, 752248), (112, 738815), (133, 622160), (140, 591052), (152, 544390), (154, 537320), (176, 470155), (190, 435512), (196, 422180), (202, 409640), (209, 395920), (220, 376124), (245, 337744), (266, 311080), (280, 295526), (304, 272195), (308, 268660), (380, 217756), (385, 214928), (392, 211090), (404, 204820), (418, 197960), (440, 188062), (490, 168872), (505, 163856), (532, 155540), (539, 153520), (560, 147763), (616, 134330), (665, 124432), (707, 117040), (760, 108878), (770, 107464), (784, 105545), (808, 102410), (836, 98980), (880, 94031), (931, 88880), (980, 84436), (1010, 81928), (1045, 79184), (1064, 77770), (1078, 76760), (1111, 74480), (1232, 67165), (1330, 62216), (1414, 58520), (1463, 56560), (1520, 54439), (1540, 53732), (1616, 51205), (1672, 49490), (1862, 44440), (1919, 43120), (1960, 42218), (2020, 40964), (2090, 39592), (2128, 38885), (2156, 38380), (2222, 37240), (2660, 31108), (2695, 30704), (2828, 29260), (2926, 28280), (3080, 26866), (3344, 24745), (3535, 23408), (3724, 22220), (3838, 21560), (3920, 21109), (4040, 20482), (4180, 19796), (4312, 19190), (4444, 18620), (4655, 17776), (4949, 16720), (5320, 15554), (5390, 15352), (5555, 14896), (5656, 14630), (5852, 14140), (6160, 13433), (7070, 11704), (7315, 11312), (7448, 11110), (7676, 10780), (7777, 10640), (8080, 10241), (8360, 9898), (8624, 9595), (8888, 9310)]