812888880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{859}}^1\times {\mathrm{3943}}^1$

素因数の和:4818

約数の個数: 80

約数和(自身を含む): 2523528960

約数和(自身を除く): 1710640080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 859, 1718, 2577, 3436, 3943, 4295, 5154, 6872, 7886, 8590, 10308, 11829, 12885, 13744, 15772, 17180, 19715, 20616, 23658, 25770, 31544, 34360, 39430, 41232, 47316, 51540, 59145, 63088, 68720, 78860, 94632, 103080, 118290, 157720, 189264, 206160, 236580, 315440, 473160, 946320, 3387037, 6774074, 10161111, 13548148, 16935185, 20322222, 27096296, 33870370, 40644444, 50805555, 54192592, 67740740, 81288888, 101611110, 135481480, 162577776, 203222220, 270962960, 406444440, 812888880]

約数ペア:

[(1, 812888880), (2, 406444440), (3, 270962960), (4, 203222220), (5, 162577776), (6, 135481480), (8, 101611110), (10, 81288888), (12, 67740740), (15, 54192592), (16, 50805555), (20, 40644444), (24, 33870370), (30, 27096296), (40, 20322222), (48, 16935185), (60, 13548148), (80, 10161111), (120, 6774074), (240, 3387037), (859, 946320), (1718, 473160), (2577, 315440), (3436, 236580), (3943, 206160), (4295, 189264), (5154, 157720), (6872, 118290), (7886, 103080), (8590, 94632), (10308, 78860), (11829, 68720), (12885, 63088), (13744, 59145), (15772, 51540), (17180, 47316), (19715, 41232), (20616, 39430), (23658, 34360), (25770, 31544)]