128679360

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{311}}^1\times {\mathrm{431}}^1$

素因数の和:762

約数の個数: 112

約数和(自身を含む): 410821632

約数和(自身を除く): 282142272

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 311, 320, 431, 480, 622, 862, 933, 960, 1244, 1293, 1555, 1724, 1866, 2155, 2488, 2586, 3110, 3448, 3732, 4310, 4665, 4976, 5172, 6220, 6465, 6896, 7464, 8620, 9330, 9952, 10344, 12440, 12930, 13792, 14928, 17240, 18660, 19904, 20688, 24880, 25860, 27584, 29856, 34480, 37320, 41376, 49760, 51720, 59712, 68960, 74640, 82752, 99520, 103440, 134041, 137920, 149280, 206880, 268082, 298560, 402123, 413760, 536164, 670205, 804246, 1072328, 1340410, 1608492, 2010615, 2144656, 2680820, 3216984, 4021230, 4289312, 5361640, 6433968, 8042460, 8578624, 10723280, 12867936, 16084920, 21446560, 25735872, 32169840, 42893120, 64339680, 128679360]

約数ペア:

[(1, 128679360), (2, 64339680), (3, 42893120), (4, 32169840), (5, 25735872), (6, 21446560), (8, 16084920), (10, 12867936), (12, 10723280), (15, 8578624), (16, 8042460), (20, 6433968), (24, 5361640), (30, 4289312), (32, 4021230), (40, 3216984), (48, 2680820), (60, 2144656), (64, 2010615), (80, 1608492), (96, 1340410), (120, 1072328), (160, 804246), (192, 670205), (240, 536164), (311, 413760), (320, 402123), (431, 298560), (480, 268082), (622, 206880), (862, 149280), (933, 137920), (960, 134041), (1244, 103440), (1293, 99520), (1555, 82752), (1724, 74640), (1866, 68960), (2155, 59712), (2488, 51720), (2586, 49760), (3110, 41376), (3448, 37320), (3732, 34480), (4310, 29856), (4665, 27584), (4976, 25860), (5172, 24880), (6220, 20688), (6465, 19904), (6896, 18660), (7464, 17240), (8620, 14928), (9330, 13792), (9952, 12930), (10344, 12440)]