393506880

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31531}}^1$

素因数の和:31564

約数の個数: 112

約数和(自身を含む): 1345533504

約数和(自身を除く): 952026624

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, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 390, 416, 480, 520, 624, 780, 832, 960, 1040, 1248, 1560, 2080, 2496, 3120, 4160, 6240, 12480, 31531, 63062, 94593, 126124, 157655, 189186, 252248, 315310, 378372, 409903, 472965, 504496, 630620, 756744, 819806, 945930, 1008992, 1229709, 1261240, 1513488, 1639612, 1891860, 2017984, 2049515, 2459418, 2522480, 3026976, 3279224, 3783720, 4099030, 4918836, 5044960, 6053952, 6148545, 6558448, 7567440, 8198060, 9837672, 10089920, 12297090, 13116896, 15134880, 16396120, 19675344, 24594180, 26233792, 30269760, 32792240, 39350688, 49188360, 65584480, 78701376, 98376720, 131168960, 196753440, 393506880]

約数ペア:

[(1, 393506880), (2, 196753440), (3, 131168960), (4, 98376720), (5, 78701376), (6, 65584480), (8, 49188360), (10, 39350688), (12, 32792240), (13, 30269760), (15, 26233792), (16, 24594180), (20, 19675344), (24, 16396120), (26, 15134880), (30, 13116896), (32, 12297090), (39, 10089920), (40, 9837672), (48, 8198060), (52, 7567440), (60, 6558448), (64, 6148545), (65, 6053952), (78, 5044960), (80, 4918836), (96, 4099030), (104, 3783720), (120, 3279224), (130, 3026976), (156, 2522480), (160, 2459418), (192, 2049515), (195, 2017984), (208, 1891860), (240, 1639612), (260, 1513488), (312, 1261240), (320, 1229709), (390, 1008992), (416, 945930), (480, 819806), (520, 756744), (624, 630620), (780, 504496), (832, 472965), (960, 409903), (1040, 378372), (1248, 315310), (1560, 252248), (2080, 189186), (2496, 157655), (3120, 126124), (4160, 94593), (6240, 63062), (12480, 31531)]