128231520

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{311}}^1\times {\mathrm{859}}^1$

素因数の和:1188

約数の個数: 96

約数和(自身を含む): 405699840

約数和(自身を除く): 277468320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 311, 480, 622, 859, 933, 1244, 1555, 1718, 1866, 2488, 2577, 3110, 3436, 3732, 4295, 4665, 4976, 5154, 6220, 6872, 7464, 8590, 9330, 9952, 10308, 12440, 12885, 13744, 14928, 17180, 18660, 20616, 24880, 25770, 27488, 29856, 34360, 37320, 41232, 49760, 51540, 68720, 74640, 82464, 103080, 137440, 149280, 206160, 267149, 412320, 534298, 801447, 1068596, 1335745, 1602894, 2137192, 2671490, 3205788, 4007235, 4274384, 5342980, 6411576, 8014470, 8548768, 10685960, 12823152, 16028940, 21371920, 25646304, 32057880, 42743840, 64115760, 128231520]

約数ペア:

[(1, 128231520), (2, 64115760), (3, 42743840), (4, 32057880), (5, 25646304), (6, 21371920), (8, 16028940), (10, 12823152), (12, 10685960), (15, 8548768), (16, 8014470), (20, 6411576), (24, 5342980), (30, 4274384), (32, 4007235), (40, 3205788), (48, 2671490), (60, 2137192), (80, 1602894), (96, 1335745), (120, 1068596), (160, 801447), (240, 534298), (311, 412320), (480, 267149), (622, 206160), (859, 149280), (933, 137440), (1244, 103080), (1555, 82464), (1718, 74640), (1866, 68720), (2488, 51540), (2577, 49760), (3110, 41232), (3436, 37320), (3732, 34360), (4295, 29856), (4665, 27488), (4976, 25770), (5154, 24880), (6220, 20616), (6872, 18660), (7464, 17180), (8590, 14928), (9330, 13744), (9952, 12885), (10308, 12440)]