12704640

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{509}}^1$

素因数の和:544

約数の個数: 128

約数和(自身を含む): 43696800

約数和(自身を除く): 30992160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 384, 390, 416, 480, 509, 520, 624, 640, 780, 832, 960, 1018, 1040, 1248, 1527, 1560, 1664, 1920, 2036, 2080, 2496, 2545, 3054, 3120, 4072, 4160, 4992, 5090, 6108, 6240, 6617, 7635, 8144, 8320, 10180, 12216, 12480, 13234, 15270, 16288, 19851, 20360, 24432, 24960, 26468, 30540, 32576, 33085, 39702, 40720, 48864, 52936, 61080, 65152, 66170, 79404, 81440, 97728, 99255, 105872, 122160, 132340, 158808, 162880, 195456, 198510, 211744, 244320, 264680, 317616, 325760, 397020, 423488, 488640, 529360, 635232, 794040, 846976, 977280, 1058720, 1270464, 1588080, 2117440, 2540928, 3176160, 4234880, 6352320, 12704640]

約数ペア:

[(1, 12704640), (2, 6352320), (3, 4234880), (4, 3176160), (5, 2540928), (6, 2117440), (8, 1588080), (10, 1270464), (12, 1058720), (13, 977280), (15, 846976), (16, 794040), (20, 635232), (24, 529360), (26, 488640), (30, 423488), (32, 397020), (39, 325760), (40, 317616), (48, 264680), (52, 244320), (60, 211744), (64, 198510), (65, 195456), (78, 162880), (80, 158808), (96, 132340), (104, 122160), (120, 105872), (128, 99255), (130, 97728), (156, 81440), (160, 79404), (192, 66170), (195, 65152), (208, 61080), (240, 52936), (260, 48864), (312, 40720), (320, 39702), (384, 33085), (390, 32576), (416, 30540), (480, 26468), (509, 24960), (520, 24432), (624, 20360), (640, 19851), (780, 16288), (832, 15270), (960, 13234), (1018, 12480), (1040, 12216), (1248, 10180), (1527, 8320), (1560, 8144), (1664, 7635), (1920, 6617), (2036, 6240), (2080, 6108), (2496, 5090), (2545, 4992), (3054, 4160), (3120, 4072)]