128711040

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1559}}^1$

素因数の和:1624

約数の個数: 128

約数和(自身を含む): 420076800

約数和(自身を除く): 291365760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 43, 48, 60, 64, 80, 86, 96, 120, 128, 129, 160, 172, 192, 215, 240, 258, 320, 344, 384, 430, 480, 516, 640, 645, 688, 860, 960, 1032, 1290, 1376, 1559, 1720, 1920, 2064, 2580, 2752, 3118, 3440, 4128, 4677, 5160, 5504, 6236, 6880, 7795, 8256, 9354, 10320, 12472, 13760, 15590, 16512, 18708, 20640, 23385, 24944, 27520, 31180, 37416, 41280, 46770, 49888, 62360, 67037, 74832, 82560, 93540, 99776, 124720, 134074, 149664, 187080, 199552, 201111, 249440, 268148, 299328, 335185, 374160, 402222, 498880, 536296, 598656, 670370, 748320, 804444, 997760, 1005555, 1072592, 1340740, 1496640, 1608888, 2011110, 2145184, 2681480, 2993280, 3217776, 4022220, 4290368, 5362960, 6435552, 8044440, 8580736, 10725920, 12871104, 16088880, 21451840, 25742208, 32177760, 42903680, 64355520, 128711040]

約数ペア:

[(1, 128711040), (2, 64355520), (3, 42903680), (4, 32177760), (5, 25742208), (6, 21451840), (8, 16088880), (10, 12871104), (12, 10725920), (15, 8580736), (16, 8044440), (20, 6435552), (24, 5362960), (30, 4290368), (32, 4022220), (40, 3217776), (43, 2993280), (48, 2681480), (60, 2145184), (64, 2011110), (80, 1608888), (86, 1496640), (96, 1340740), (120, 1072592), (128, 1005555), (129, 997760), (160, 804444), (172, 748320), (192, 670370), (215, 598656), (240, 536296), (258, 498880), (320, 402222), (344, 374160), (384, 335185), (430, 299328), (480, 268148), (516, 249440), (640, 201111), (645, 199552), (688, 187080), (860, 149664), (960, 134074), (1032, 124720), (1290, 99776), (1376, 93540), (1559, 82560), (1720, 74832), (1920, 67037), (2064, 62360), (2580, 49888), (2752, 46770), (3118, 41280), (3440, 37416), (4128, 31180), (4677, 27520), (5160, 24944), (5504, 23385), (6236, 20640), (6880, 18708), (7795, 16512), (8256, 15590), (9354, 13760), (10320, 12472)]