55785520

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{107}}^1$

素因数の和:160

約数の個数: 160

約数和(自身を含む): 160704000

約数和(自身を除く): 104918480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 49, 56, 70, 76, 80, 95, 98, 107, 112, 133, 140, 152, 190, 196, 214, 245, 266, 280, 304, 343, 380, 392, 428, 490, 532, 535, 560, 665, 686, 749, 760, 784, 856, 931, 980, 1064, 1070, 1330, 1372, 1498, 1520, 1712, 1715, 1862, 1960, 2033, 2128, 2140, 2660, 2744, 2996, 3430, 3724, 3745, 3920, 4066, 4280, 4655, 5243, 5320, 5488, 5992, 6517, 6860, 7448, 7490, 8132, 8560, 9310, 10165, 10486, 10640, 11984, 13034, 13720, 14231, 14896, 14980, 16264, 18620, 20330, 20972, 26068, 26215, 27440, 28462, 29960, 32528, 32585, 36701, 37240, 40660, 41944, 52136, 52430, 56924, 59920, 65170, 71155, 73402, 74480, 81320, 83888, 99617, 104272, 104860, 113848, 130340, 142310, 146804, 162640, 183505, 199234, 209720, 227696, 260680, 284620, 293608, 367010, 398468, 419440, 498085, 521360, 569240, 587216, 697319, 734020, 796936, 996170, 1138480, 1394638, 1468040, 1593872, 1992340, 2789276, 2936080, 3486595, 3984680, 5578552, 6973190, 7969360, 11157104, 13946380, 27892760, 55785520]

約数ペア:

[(1, 55785520), (2, 27892760), (4, 13946380), (5, 11157104), (7, 7969360), (8, 6973190), (10, 5578552), (14, 3984680), (16, 3486595), (19, 2936080), (20, 2789276), (28, 1992340), (35, 1593872), (38, 1468040), (40, 1394638), (49, 1138480), (56, 996170), (70, 796936), (76, 734020), (80, 697319), (95, 587216), (98, 569240), (107, 521360), (112, 498085), (133, 419440), (140, 398468), (152, 367010), (190, 293608), (196, 284620), (214, 260680), (245, 227696), (266, 209720), (280, 199234), (304, 183505), (343, 162640), (380, 146804), (392, 142310), (428, 130340), (490, 113848), (532, 104860), (535, 104272), (560, 99617), (665, 83888), (686, 81320), (749, 74480), (760, 73402), (784, 71155), (856, 65170), (931, 59920), (980, 56924), (1064, 52430), (1070, 52136), (1330, 41944), (1372, 40660), (1498, 37240), (1520, 36701), (1712, 32585), (1715, 32528), (1862, 29960), (1960, 28462), (2033, 27440), (2128, 26215), (2140, 26068), (2660, 20972), (2744, 20330), (2996, 18620), (3430, 16264), (3724, 14980), (3745, 14896), (3920, 14231), (4066, 13720), (4280, 13034), (4655, 11984), (5243, 10640), (5320, 10486), (5488, 10165), (5992, 9310), (6517, 8560), (6860, 8132), (7448, 7490)]