19710522720

素因数分解:

$2^5\times 3^3\times 5^1\times 7^1\times {\mathrm{651803}}^1$

素因数の和:651834

約数の個数: 192

約数和(自身を含む): 78842211840

約数和(自身を除く): 59131689120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 336, 360, 378, 420, 432, 480, 504, 540, 560, 630, 672, 720, 756, 840, 864, 945, 1008, 1080, 1120, 1260, 1440, 1512, 1680, 1890, 2016, 2160, 2520, 3024, 3360, 3780, 4320, 5040, 6048, 7560, 10080, 15120, 30240, 651803, 1303606, 1955409, 2607212, 3259015, 3910818, 4562621, 5214424, 5866227, 6518030, 7821636, 9125242, 9777045, 10428848, 11732454, 13036060, 13687863, 15643272, 17598681, 18250484, 19554090, 20857696, 22813105, 23464908, 26072120, 27375726, 29331135, 31286544, 35197362, 36500968, 39108180, 41063589, 45626210, 46929816, 52144240, 54751452, 58662270, 62573088, 68439315, 70394724, 73001936, 78216360, 82127178, 87993405, 91252420, 93859632, 104288480, 109502904, 117324540, 123190767, 136878630, 140789448, 146003872, 156432720, 164254356, 175986810, 182504840, 187719264, 205317945, 219005808, 234649080, 246381534, 273757260, 281578896, 312865440, 328508712, 351973620, 365009680, 410635890, 438011616, 469298160, 492763068, 547514520, 563157792, 615953835, 657017424, 703947240, 730019360, 821271780, 938596320, 985526136, 1095029040, 1231907670, 1314034848, 1407894480, 1642543560, 1971052272, 2190058080, 2463815340, 2815788960, 3285087120, 3942104544, 4927630680, 6570174240, 9855261360, 19710522720]

約数ペア:

[(1, 19710522720), (2, 9855261360), (3, 6570174240), (4, 4927630680), (5, 3942104544), (6, 3285087120), (7, 2815788960), (8, 2463815340), (9, 2190058080), (10, 1971052272), (12, 1642543560), (14, 1407894480), (15, 1314034848), (16, 1231907670), (18, 1095029040), (20, 985526136), (21, 938596320), (24, 821271780), (27, 730019360), (28, 703947240), (30, 657017424), (32, 615953835), (35, 563157792), (36, 547514520), (40, 492763068), (42, 469298160), (45, 438011616), (48, 410635890), (54, 365009680), (56, 351973620), (60, 328508712), (63, 312865440), (70, 281578896), (72, 273757260), (80, 246381534), (84, 234649080), (90, 219005808), (96, 205317945), (105, 187719264), (108, 182504840), (112, 175986810), (120, 164254356), (126, 156432720), (135, 146003872), (140, 140789448), (144, 136878630), (160, 123190767), (168, 117324540), (180, 109502904), (189, 104288480), (210, 93859632), (216, 91252420), (224, 87993405), (240, 82127178), (252, 78216360), (270, 73001936), (280, 70394724), (288, 68439315), (315, 62573088), (336, 58662270), (360, 54751452), (378, 52144240), (420, 46929816), (432, 45626210), (480, 41063589), (504, 39108180), (540, 36500968), (560, 35197362), (630, 31286544), (672, 29331135), (720, 27375726), (756, 26072120), (840, 23464908), (864, 22813105), (945, 20857696), (1008, 19554090), (1080, 18250484), (1120, 17598681), (1260, 15643272), (1440, 13687863), (1512, 13036060), (1680, 11732454), (1890, 10428848), (2016, 9777045), (2160, 9125242), (2520, 7821636), (3024, 6518030), (3360, 5866227), (3780, 5214424), (4320, 4562621), (5040, 3910818), (6048, 3259015), (7560, 2607212), (10080, 1955409), (15120, 1303606), (30240, 651803)]