39690720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{641}}^1$

素因数の和:705

約数の個数: 144

約数和(自身を含む): 138810672

約数和(自身を除く): 99119952

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 43, 45, 48, 60, 72, 80, 86, 90, 96, 120, 129, 144, 160, 172, 180, 215, 240, 258, 288, 344, 360, 387, 430, 480, 516, 641, 645, 688, 720, 774, 860, 1032, 1282, 1290, 1376, 1440, 1548, 1720, 1923, 1935, 2064, 2564, 2580, 3096, 3205, 3440, 3846, 3870, 4128, 5128, 5160, 5769, 6192, 6410, 6880, 7692, 7740, 9615, 10256, 10320, 11538, 12384, 12820, 15384, 15480, 19230, 20512, 20640, 23076, 25640, 27563, 28845, 30768, 30960, 38460, 46152, 51280, 55126, 57690, 61536, 61920, 76920, 82689, 92304, 102560, 110252, 115380, 137815, 153840, 165378, 184608, 220504, 230760, 248067, 275630, 307680, 330756, 413445, 441008, 461520, 496134, 551260, 661512, 826890, 882016, 923040, 992268, 1102520, 1240335, 1323024, 1653780, 1984536, 2205040, 2480670, 2646048, 3307560, 3969072, 4410080, 4961340, 6615120, 7938144, 9922680, 13230240, 19845360, 39690720]

約数ペア:

[(1, 39690720), (2, 19845360), (3, 13230240), (4, 9922680), (5, 7938144), (6, 6615120), (8, 4961340), (9, 4410080), (10, 3969072), (12, 3307560), (15, 2646048), (16, 2480670), (18, 2205040), (20, 1984536), (24, 1653780), (30, 1323024), (32, 1240335), (36, 1102520), (40, 992268), (43, 923040), (45, 882016), (48, 826890), (60, 661512), (72, 551260), (80, 496134), (86, 461520), (90, 441008), (96, 413445), (120, 330756), (129, 307680), (144, 275630), (160, 248067), (172, 230760), (180, 220504), (215, 184608), (240, 165378), (258, 153840), (288, 137815), (344, 115380), (360, 110252), (387, 102560), (430, 92304), (480, 82689), (516, 76920), (641, 61920), (645, 61536), (688, 57690), (720, 55126), (774, 51280), (860, 46152), (1032, 38460), (1282, 30960), (1290, 30768), (1376, 28845), (1440, 27563), (1548, 25640), (1720, 23076), (1923, 20640), (1935, 20512), (2064, 19230), (2564, 15480), (2580, 15384), (3096, 12820), (3205, 12384), (3440, 11538), (3846, 10320), (3870, 10256), (4128, 9615), (5128, 7740), (5160, 7692), (5769, 6880), (6192, 6410)]