215545680

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{42767}}^1$

素因数の和:42793

約数の個数: 120

約数和(自身を含む): 827304192

約数和(自身を除く): 611758512

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 42767, 85534, 128301, 171068, 213835, 256602, 299369, 342136, 384903, 427670, 513204, 598738, 641505, 684272, 769806, 855340, 898107, 1026408, 1197476, 1283010, 1496845, 1539612, 1710680, 1796214, 1924515, 2052816, 2394952, 2566020, 2694321, 2993690, 3079224, 3421360, 3592428, 3849030, 4490535, 4789904, 5132040, 5388642, 5987380, 6158448, 7184856, 7698060, 8981070, 10264080, 10777284, 11974760, 13471605, 14369712, 15396120, 17962140, 21554568, 23949520, 26943210, 30792240, 35924280, 43109136, 53886420, 71848560, 107772840, 215545680]

約数ペア:

[(1, 215545680), (2, 107772840), (3, 71848560), (4, 53886420), (5, 43109136), (6, 35924280), (7, 30792240), (8, 26943210), (9, 23949520), (10, 21554568), (12, 17962140), (14, 15396120), (15, 14369712), (16, 13471605), (18, 11974760), (20, 10777284), (21, 10264080), (24, 8981070), (28, 7698060), (30, 7184856), (35, 6158448), (36, 5987380), (40, 5388642), (42, 5132040), (45, 4789904), (48, 4490535), (56, 3849030), (60, 3592428), (63, 3421360), (70, 3079224), (72, 2993690), (80, 2694321), (84, 2566020), (90, 2394952), (105, 2052816), (112, 1924515), (120, 1796214), (126, 1710680), (140, 1539612), (144, 1496845), (168, 1283010), (180, 1197476), (210, 1026408), (240, 898107), (252, 855340), (280, 769806), (315, 684272), (336, 641505), (360, 598738), (420, 513204), (504, 427670), (560, 384903), (630, 342136), (720, 299369), (840, 256602), (1008, 213835), (1260, 171068), (1680, 128301), (2520, 85534), (5040, 42767)]