51210880

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:127

約数の個数: 192

約数和(自身を含む): 150698880

約数和(自身を除く): 99488000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 49, 56, 64, 70, 71, 80, 92, 98, 112, 115, 128, 140, 142, 160, 161, 184, 196, 224, 230, 245, 280, 284, 320, 322, 355, 368, 392, 448, 460, 490, 497, 560, 568, 640, 644, 710, 736, 784, 805, 896, 920, 980, 994, 1120, 1127, 1136, 1288, 1420, 1472, 1568, 1610, 1633, 1840, 1960, 1988, 2240, 2254, 2272, 2485, 2576, 2840, 2944, 3136, 3220, 3266, 3479, 3680, 3920, 3976, 4480, 4508, 4544, 4970, 5152, 5635, 5680, 6272, 6440, 6532, 6958, 7360, 7840, 7952, 8165, 9016, 9088, 9940, 10304, 11270, 11360, 11431, 12880, 13064, 13916, 14720, 15680, 15904, 16330, 17395, 18032, 19880, 20608, 22540, 22720, 22862, 25760, 26128, 27832, 31360, 31808, 32660, 34790, 36064, 39760, 45080, 45440, 45724, 51520, 52256, 55664, 57155, 63616, 65320, 69580, 72128, 79520, 80017, 90160, 91448, 103040, 104512, 111328, 114310, 130640, 139160, 144256, 159040, 160034, 180320, 182896, 209024, 222656, 228620, 261280, 278320, 318080, 320068, 360640, 365792, 400085, 445312, 457240, 522560, 556640, 640136, 721280, 731584, 800170, 914480, 1045120, 1113280, 1280272, 1463168, 1600340, 1828960, 2226560, 2560544, 3200680, 3657920, 5121088, 6401360, 7315840, 10242176, 12802720, 25605440, 51210880]

約数ペア:

[(1, 51210880), (2, 25605440), (4, 12802720), (5, 10242176), (7, 7315840), (8, 6401360), (10, 5121088), (14, 3657920), (16, 3200680), (20, 2560544), (23, 2226560), (28, 1828960), (32, 1600340), (35, 1463168), (40, 1280272), (46, 1113280), (49, 1045120), (56, 914480), (64, 800170), (70, 731584), (71, 721280), (80, 640136), (92, 556640), (98, 522560), (112, 457240), (115, 445312), (128, 400085), (140, 365792), (142, 360640), (160, 320068), (161, 318080), (184, 278320), (196, 261280), (224, 228620), (230, 222656), (245, 209024), (280, 182896), (284, 180320), (320, 160034), (322, 159040), (355, 144256), (368, 139160), (392, 130640), (448, 114310), (460, 111328), (490, 104512), (497, 103040), (560, 91448), (568, 90160), (640, 80017), (644, 79520), (710, 72128), (736, 69580), (784, 65320), (805, 63616), (896, 57155), (920, 55664), (980, 52256), (994, 51520), (1120, 45724), (1127, 45440), (1136, 45080), (1288, 39760), (1420, 36064), (1472, 34790), (1568, 32660), (1610, 31808), (1633, 31360), (1840, 27832), (1960, 26128), (1988, 25760), (2240, 22862), (2254, 22720), (2272, 22540), (2485, 20608), (2576, 19880), (2840, 18032), (2944, 17395), (3136, 16330), (3220, 15904), (3266, 15680), (3479, 14720), (3680, 13916), (3920, 13064), (3976, 12880), (4480, 11431), (4508, 11360), (4544, 11270), (4970, 10304), (5152, 9940), (5635, 9088), (5680, 9016), (6272, 8165), (6440, 7952), (6532, 7840), (6958, 7360)]