81215568

素因数分解:

$2^4\times 3^3\times 7^1\times {\mathrm{107}}^1\times {\mathrm{251}}^1$

素因数の和:382

約数の個数: 160

約数和(自身を含む): 269982720

約数和(自身を除く): 188767152

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 48, 54, 56, 63, 72, 84, 107, 108, 112, 126, 144, 168, 189, 214, 216, 251, 252, 321, 336, 378, 428, 432, 502, 504, 642, 749, 753, 756, 856, 963, 1004, 1008, 1284, 1498, 1506, 1512, 1712, 1757, 1926, 2008, 2247, 2259, 2568, 2889, 2996, 3012, 3024, 3514, 3852, 4016, 4494, 4518, 5136, 5271, 5778, 5992, 6024, 6741, 6777, 7028, 7704, 8988, 9036, 10542, 11556, 11984, 12048, 13482, 13554, 14056, 15408, 15813, 17976, 18072, 20223, 21084, 23112, 26857, 26964, 27108, 28112, 31626, 35952, 36144, 40446, 42168, 46224, 47439, 53714, 53928, 54216, 63252, 80571, 80892, 84336, 94878, 107428, 107856, 108432, 126504, 161142, 161784, 187999, 189756, 214856, 241713, 253008, 322284, 323568, 375998, 379512, 429712, 483426, 563997, 644568, 725139, 751996, 759024, 966852, 1127994, 1289136, 1450278, 1503992, 1691991, 1933704, 2255988, 2900556, 3007984, 3383982, 3867408, 4511976, 5075973, 5801112, 6767964, 9023952, 10151946, 11602224, 13535928, 20303892, 27071856, 40607784, 81215568]

約数ペア:

[(1, 81215568), (2, 40607784), (3, 27071856), (4, 20303892), (6, 13535928), (7, 11602224), (8, 10151946), (9, 9023952), (12, 6767964), (14, 5801112), (16, 5075973), (18, 4511976), (21, 3867408), (24, 3383982), (27, 3007984), (28, 2900556), (36, 2255988), (42, 1933704), (48, 1691991), (54, 1503992), (56, 1450278), (63, 1289136), (72, 1127994), (84, 966852), (107, 759024), (108, 751996), (112, 725139), (126, 644568), (144, 563997), (168, 483426), (189, 429712), (214, 379512), (216, 375998), (251, 323568), (252, 322284), (321, 253008), (336, 241713), (378, 214856), (428, 189756), (432, 187999), (502, 161784), (504, 161142), (642, 126504), (749, 108432), (753, 107856), (756, 107428), (856, 94878), (963, 84336), (1004, 80892), (1008, 80571), (1284, 63252), (1498, 54216), (1506, 53928), (1512, 53714), (1712, 47439), (1757, 46224), (1926, 42168), (2008, 40446), (2247, 36144), (2259, 35952), (2568, 31626), (2889, 28112), (2996, 27108), (3012, 26964), (3024, 26857), (3514, 23112), (3852, 21084), (4016, 20223), (4494, 18072), (4518, 17976), (5136, 15813), (5271, 15408), (5778, 14056), (5992, 13554), (6024, 13482), (6741, 12048), (6777, 11984), (7028, 11556), (7704, 10542), (8988, 9036)]