81592280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{449}}^1$

素因数の和:537

約数の個数: 128

約数和(自身を含む): 233280000

約数和(自身を除く): 151687720

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 59, 70, 77, 88, 110, 118, 140, 154, 220, 236, 280, 295, 308, 385, 413, 440, 449, 472, 590, 616, 649, 770, 826, 898, 1180, 1298, 1540, 1652, 1796, 2065, 2245, 2360, 2596, 3080, 3143, 3245, 3304, 3592, 4130, 4490, 4543, 4939, 5192, 6286, 6490, 8260, 8980, 9086, 9878, 12572, 12980, 15715, 16520, 17960, 18172, 19756, 22715, 24695, 25144, 25960, 26491, 31430, 34573, 36344, 39512, 45430, 49390, 52982, 62860, 69146, 90860, 98780, 105964, 125720, 132455, 138292, 172865, 181720, 185437, 197560, 211928, 264910, 276584, 291401, 345730, 370874, 529820, 582802, 691460, 741748, 927185, 1059640, 1165604, 1382920, 1457005, 1483496, 1854370, 2039807, 2331208, 2914010, 3708740, 4079614, 5828020, 7417480, 8159228, 10199035, 11656040, 16318456, 20398070, 40796140, 81592280]

約数ペア:

[(1, 81592280), (2, 40796140), (4, 20398070), (5, 16318456), (7, 11656040), (8, 10199035), (10, 8159228), (11, 7417480), (14, 5828020), (20, 4079614), (22, 3708740), (28, 2914010), (35, 2331208), (40, 2039807), (44, 1854370), (55, 1483496), (56, 1457005), (59, 1382920), (70, 1165604), (77, 1059640), (88, 927185), (110, 741748), (118, 691460), (140, 582802), (154, 529820), (220, 370874), (236, 345730), (280, 291401), (295, 276584), (308, 264910), (385, 211928), (413, 197560), (440, 185437), (449, 181720), (472, 172865), (590, 138292), (616, 132455), (649, 125720), (770, 105964), (826, 98780), (898, 90860), (1180, 69146), (1298, 62860), (1540, 52982), (1652, 49390), (1796, 45430), (2065, 39512), (2245, 36344), (2360, 34573), (2596, 31430), (3080, 26491), (3143, 25960), (3245, 25144), (3304, 24695), (3592, 22715), (4130, 19756), (4490, 18172), (4543, 17960), (4939, 16520), (5192, 15715), (6286, 12980), (6490, 12572), (8260, 9878), (8980, 9086)]