257989680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{641}}^1$

素因数の和:716

約数の個数: 240

約数和(自身を含む): 956251296

約数和(自身を除く): 698261616

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 43, 45, 48, 52, 60, 65, 72, 78, 80, 86, 90, 104, 117, 120, 129, 130, 144, 156, 172, 180, 195, 208, 215, 234, 240, 258, 260, 312, 344, 360, 387, 390, 430, 468, 516, 520, 559, 585, 624, 641, 645, 688, 720, 774, 780, 860, 936, 1032, 1040, 1118, 1170, 1282, 1290, 1548, 1560, 1677, 1720, 1872, 1923, 1935, 2064, 2236, 2340, 2564, 2580, 2795, 3096, 3120, 3205, 3354, 3440, 3846, 3870, 4472, 4680, 5031, 5128, 5160, 5590, 5769, 6192, 6410, 6708, 7692, 7740, 8333, 8385, 8944, 9360, 9615, 10062, 10256, 10320, 11180, 11538, 12820, 13416, 15384, 15480, 16666, 16770, 19230, 20124, 22360, 23076, 24999, 25155, 25640, 26832, 27563, 28845, 30768, 30960, 33332, 33540, 38460, 40248, 41665, 44720, 46152, 49998, 50310, 51280, 55126, 57690, 66664, 67080, 74997, 76920, 80496, 82689, 83330, 92304, 99996, 100620, 110252, 115380, 124995, 133328, 134160, 137815, 149994, 153840, 165378, 166660, 199992, 201240, 220504, 230760, 248067, 249990, 275630, 299988, 330756, 333320, 358319, 374985, 399984, 402480, 413445, 441008, 461520, 496134, 499980, 551260, 599976, 661512, 666640, 716638, 749970, 826890, 992268, 999960, 1074957, 1102520, 1199952, 1240335, 1323024, 1433276, 1499940, 1653780, 1791595, 1984536, 1999920, 2149914, 2205040, 2480670, 2866552, 2999880, 3224871, 3307560, 3583190, 3969072, 4299828, 4961340, 5374785, 5733104, 5999760, 6449742, 6615120, 7166380, 8599656, 9922680, 10749570, 12899484, 14332760, 16124355, 17199312, 19845360, 21499140, 25798968, 28665520, 32248710, 42998280, 51597936, 64497420, 85996560, 128994840, 257989680]

約数ペア:

[(1, 257989680), (2, 128994840), (3, 85996560), (4, 64497420), (5, 51597936), (6, 42998280), (8, 32248710), (9, 28665520), (10, 25798968), (12, 21499140), (13, 19845360), (15, 17199312), (16, 16124355), (18, 14332760), (20, 12899484), (24, 10749570), (26, 9922680), (30, 8599656), (36, 7166380), (39, 6615120), (40, 6449742), (43, 5999760), (45, 5733104), (48, 5374785), (52, 4961340), (60, 4299828), (65, 3969072), (72, 3583190), (78, 3307560), (80, 3224871), (86, 2999880), (90, 2866552), (104, 2480670), (117, 2205040), (120, 2149914), (129, 1999920), (130, 1984536), (144, 1791595), (156, 1653780), (172, 1499940), (180, 1433276), (195, 1323024), (208, 1240335), (215, 1199952), (234, 1102520), (240, 1074957), (258, 999960), (260, 992268), (312, 826890), (344, 749970), (360, 716638), (387, 666640), (390, 661512), (430, 599976), (468, 551260), (516, 499980), (520, 496134), (559, 461520), (585, 441008), (624, 413445), (641, 402480), (645, 399984), (688, 374985), (720, 358319), (774, 333320), (780, 330756), (860, 299988), (936, 275630), (1032, 249990), (1040, 248067), (1118, 230760), (1170, 220504), (1282, 201240), (1290, 199992), (1548, 166660), (1560, 165378), (1677, 153840), (1720, 149994), (1872, 137815), (1923, 134160), (1935, 133328), (2064, 124995), (2236, 115380), (2340, 110252), (2564, 100620), (2580, 99996), (2795, 92304), (3096, 83330), (3120, 82689), (3205, 80496), (3354, 76920), (3440, 74997), (3846, 67080), (3870, 66664), (4472, 57690), (4680, 55126), (5031, 51280), (5128, 50310), (5160, 49998), (5590, 46152), (5769, 44720), (6192, 41665), (6410, 40248), (6708, 38460), (7692, 33540), (7740, 33332), (8333, 30960), (8385, 30768), (8944, 28845), (9360, 27563), (9615, 26832), (10062, 25640), (10256, 25155), (10320, 24999), (11180, 23076), (11538, 22360), (12820, 20124), (13416, 19230), (15384, 16770), (15480, 16666)]