647303760

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{7079}}^1$

素因数の和:7225

約数の個数: 120

約数和(自身を含む): 2191288320

約数和(自身を除く): 1543984560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 127, 144, 180, 240, 254, 360, 381, 508, 635, 720, 762, 1016, 1143, 1270, 1524, 1905, 2032, 2286, 2540, 3048, 3810, 4572, 5080, 5715, 6096, 7079, 7620, 9144, 10160, 11430, 14158, 15240, 18288, 21237, 22860, 28316, 30480, 35395, 42474, 45720, 56632, 63711, 70790, 84948, 91440, 106185, 113264, 127422, 141580, 169896, 212370, 254844, 283160, 318555, 339792, 424740, 509688, 566320, 637110, 849480, 899033, 1019376, 1274220, 1698960, 1798066, 2548440, 2697099, 3596132, 4495165, 5096880, 5394198, 7192264, 8091297, 8990330, 10788396, 13485495, 14384528, 16182594, 17980660, 21576792, 26970990, 32365188, 35961320, 40456485, 43153584, 53941980, 64730376, 71922640, 80912970, 107883960, 129460752, 161825940, 215767920, 323651880, 647303760]

約数ペア:

[(1, 647303760), (2, 323651880), (3, 215767920), (4, 161825940), (5, 129460752), (6, 107883960), (8, 80912970), (9, 71922640), (10, 64730376), (12, 53941980), (15, 43153584), (16, 40456485), (18, 35961320), (20, 32365188), (24, 26970990), (30, 21576792), (36, 17980660), (40, 16182594), (45, 14384528), (48, 13485495), (60, 10788396), (72, 8990330), (80, 8091297), (90, 7192264), (120, 5394198), (127, 5096880), (144, 4495165), (180, 3596132), (240, 2697099), (254, 2548440), (360, 1798066), (381, 1698960), (508, 1274220), (635, 1019376), (720, 899033), (762, 849480), (1016, 637110), (1143, 566320), (1270, 509688), (1524, 424740), (1905, 339792), (2032, 318555), (2286, 283160), (2540, 254844), (3048, 212370), (3810, 169896), (4572, 141580), (5080, 127422), (5715, 113264), (6096, 106185), (7079, 91440), (7620, 84948), (9144, 70790), (10160, 63711), (11430, 56632), (14158, 45720), (15240, 42474), (18288, 35395), (21237, 30480), (22860, 28316)]