656869920

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{195497}}^1$

素因数の和:195522

約数の個数: 96

約数和(自身を含む): 2364743808

約数和(自身を除く): 1707873888

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1680, 3360, 195497, 390994, 586491, 781988, 977485, 1172982, 1368479, 1563976, 1954970, 2345964, 2736958, 2932455, 3127952, 3909940, 4105437, 4691928, 5473916, 5864910, 6255904, 6842395, 7819880, 8210874, 9383856, 10947832, 11729820, 13684790, 15639760, 16421748, 18767712, 20527185, 21895664, 23459640, 27369580, 31279520, 32843496, 41054370, 43791328, 46919280, 54739160, 65686992, 82108740, 93838560, 109478320, 131373984, 164217480, 218956640, 328434960, 656869920]

約数ペア:

[(1, 656869920), (2, 328434960), (3, 218956640), (4, 164217480), (5, 131373984), (6, 109478320), (7, 93838560), (8, 82108740), (10, 65686992), (12, 54739160), (14, 46919280), (15, 43791328), (16, 41054370), (20, 32843496), (21, 31279520), (24, 27369580), (28, 23459640), (30, 21895664), (32, 20527185), (35, 18767712), (40, 16421748), (42, 15639760), (48, 13684790), (56, 11729820), (60, 10947832), (70, 9383856), (80, 8210874), (84, 7819880), (96, 6842395), (105, 6255904), (112, 5864910), (120, 5473916), (140, 4691928), (160, 4105437), (168, 3909940), (210, 3127952), (224, 2932455), (240, 2736958), (280, 2345964), (336, 1954970), (420, 1563976), (480, 1368479), (560, 1172982), (672, 977485), (840, 781988), (1120, 586491), (1680, 390994), (3360, 195497)]