56481880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{263}}^1$

素因数の和:353

約数の個数: 128

約数和(自身を含む): 159667200

約数和(自身を除く): 103185320

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 59, 65, 70, 91, 104, 118, 130, 140, 182, 236, 260, 263, 280, 295, 364, 413, 455, 472, 520, 526, 590, 728, 767, 826, 910, 1052, 1180, 1315, 1534, 1652, 1820, 1841, 2065, 2104, 2360, 2630, 3068, 3304, 3419, 3640, 3682, 3835, 4130, 5260, 5369, 6136, 6838, 7364, 7670, 8260, 9205, 10520, 10738, 13676, 14728, 15340, 15517, 16520, 17095, 18410, 21476, 23933, 26845, 27352, 30680, 31034, 34190, 36820, 42952, 47866, 53690, 62068, 68380, 73640, 77585, 95732, 107380, 108619, 119665, 124136, 136760, 155170, 191464, 201721, 214760, 217238, 239330, 310340, 403442, 434476, 478660, 543095, 620680, 806884, 868952, 957320, 1008605, 1086190, 1412047, 1613768, 2017210, 2172380, 2824094, 4034420, 4344760, 5648188, 7060235, 8068840, 11296376, 14120470, 28240940, 56481880]

約数ペア:

[(1, 56481880), (2, 28240940), (4, 14120470), (5, 11296376), (7, 8068840), (8, 7060235), (10, 5648188), (13, 4344760), (14, 4034420), (20, 2824094), (26, 2172380), (28, 2017210), (35, 1613768), (40, 1412047), (52, 1086190), (56, 1008605), (59, 957320), (65, 868952), (70, 806884), (91, 620680), (104, 543095), (118, 478660), (130, 434476), (140, 403442), (182, 310340), (236, 239330), (260, 217238), (263, 214760), (280, 201721), (295, 191464), (364, 155170), (413, 136760), (455, 124136), (472, 119665), (520, 108619), (526, 107380), (590, 95732), (728, 77585), (767, 73640), (826, 68380), (910, 62068), (1052, 53690), (1180, 47866), (1315, 42952), (1534, 36820), (1652, 34190), (1820, 31034), (1841, 30680), (2065, 27352), (2104, 26845), (2360, 23933), (2630, 21476), (3068, 18410), (3304, 17095), (3419, 16520), (3640, 15517), (3682, 15340), (3835, 14728), (4130, 13676), (5260, 10738), (5369, 10520), (6136, 9205), (6838, 8260), (7364, 7670)]