1720661040

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1733}}^1$

素因数の和:1956

約数の個数: 240

約数和(自身を含む): 6641414208

約数和(自身を除く): 4920753168

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 197, 210, 240, 252, 280, 315, 336, 360, 394, 420, 504, 560, 591, 630, 720, 788, 840, 985, 1008, 1182, 1260, 1379, 1576, 1680, 1733, 1773, 1970, 2364, 2520, 2758, 2955, 3152, 3466, 3546, 3940, 4137, 4728, 5040, 5199, 5516, 5910, 6895, 6932, 7092, 7880, 8274, 8665, 8865, 9456, 10398, 11032, 11820, 12131, 12411, 13790, 13864, 14184, 15597, 15760, 16548, 17330, 17730, 20685, 20796, 22064, 23640, 24262, 24822, 25995, 27580, 27728, 28368, 31194, 33096, 34660, 35460, 36393, 41370, 41592, 47280, 48524, 49644, 51990, 55160, 60655, 62055, 62388, 66192, 69320, 70920, 72786, 77985, 82740, 83184, 97048, 99288, 103980, 109179, 110320, 121310, 124110, 124776, 138640, 141840, 145572, 155970, 165480, 181965, 194096, 198576, 207960, 218358, 242620, 248220, 249552, 291144, 311940, 330960, 341401, 363930, 415920, 436716, 485240, 496440, 545895, 582288, 623880, 682802, 727860, 873432, 970480, 992880, 1024203, 1091790, 1247760, 1365604, 1455720, 1707005, 1746864, 2048406, 2183580, 2389807, 2731208, 2911440, 3072609, 3414010, 4096812, 4367160, 4779614, 5121015, 5462416, 6145218, 6828020, 7169421, 8193624, 8734320, 9559228, 10242030, 11949035, 12290436, 13656040, 14338842, 15363045, 16387248, 19118456, 20484060, 21508263, 23898070, 24580872, 27312080, 28677684, 30726090, 35847105, 38236912, 40968120, 43016526, 47796140, 49161744, 57355368, 61452180, 71694210, 81936240, 86033052, 95592280, 107541315, 114710736, 122904360, 143388420, 172066104, 191184560, 215082630, 245808720, 286776840, 344132208, 430165260, 573553680, 860330520, 1720661040]

約数ペア:

[(1, 1720661040), (2, 860330520), (3, 573553680), (4, 430165260), (5, 344132208), (6, 286776840), (7, 245808720), (8, 215082630), (9, 191184560), (10, 172066104), (12, 143388420), (14, 122904360), (15, 114710736), (16, 107541315), (18, 95592280), (20, 86033052), (21, 81936240), (24, 71694210), (28, 61452180), (30, 57355368), (35, 49161744), (36, 47796140), (40, 43016526), (42, 40968120), (45, 38236912), (48, 35847105), (56, 30726090), (60, 28677684), (63, 27312080), (70, 24580872), (72, 23898070), (80, 21508263), (84, 20484060), (90, 19118456), (105, 16387248), (112, 15363045), (120, 14338842), (126, 13656040), (140, 12290436), (144, 11949035), (168, 10242030), (180, 9559228), (197, 8734320), (210, 8193624), (240, 7169421), (252, 6828020), (280, 6145218), (315, 5462416), (336, 5121015), (360, 4779614), (394, 4367160), (420, 4096812), (504, 3414010), (560, 3072609), (591, 2911440), (630, 2731208), (720, 2389807), (788, 2183580), (840, 2048406), (985, 1746864), (1008, 1707005), (1182, 1455720), (1260, 1365604), (1379, 1247760), (1576, 1091790), (1680, 1024203), (1733, 992880), (1773, 970480), (1970, 873432), (2364, 727860), (2520, 682802), (2758, 623880), (2955, 582288), (3152, 545895), (3466, 496440), (3546, 485240), (3940, 436716), (4137, 415920), (4728, 363930), (5040, 341401), (5199, 330960), (5516, 311940), (5910, 291144), (6895, 249552), (6932, 248220), (7092, 242620), (7880, 218358), (8274, 207960), (8665, 198576), (8865, 194096), (9456, 181965), (10398, 165480), (11032, 155970), (11820, 145572), (12131, 141840), (12411, 138640), (13790, 124776), (13864, 124110), (14184, 121310), (15597, 110320), (15760, 109179), (16548, 103980), (17330, 99288), (17730, 97048), (20685, 83184), (20796, 82740), (22064, 77985), (23640, 72786), (24262, 70920), (24822, 69320), (25995, 66192), (27580, 62388), (27728, 62055), (28368, 60655), (31194, 55160), (33096, 51990), (34660, 49644), (35460, 48524), (36393, 47280), (41370, 41592)]