257257440

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:290

約数の個数: 288

約数和(自身を含む): 972972000

約数和(自身を除く): 715714560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 96, 99, 109, 110, 120, 132, 144, 149, 160, 165, 176, 180, 198, 218, 220, 240, 264, 288, 298, 327, 330, 352, 360, 396, 436, 440, 447, 480, 495, 528, 545, 596, 654, 660, 720, 745, 792, 872, 880, 894, 981, 990, 1056, 1090, 1192, 1199, 1308, 1320, 1341, 1440, 1490, 1584, 1635, 1639, 1744, 1760, 1788, 1962, 1980, 2180, 2235, 2384, 2398, 2616, 2640, 2682, 2980, 3168, 3270, 3278, 3488, 3576, 3597, 3924, 3960, 4360, 4470, 4768, 4796, 4905, 4917, 5232, 5280, 5364, 5960, 5995, 6540, 6556, 6705, 7152, 7194, 7848, 7920, 8195, 8720, 8940, 9592, 9810, 9834, 10464, 10728, 10791, 11920, 11990, 13080, 13112, 13410, 14304, 14388, 14751, 15696, 15840, 16241, 16390, 17440, 17880, 17985, 19184, 19620, 19668, 21456, 21582, 23840, 23980, 24585, 26160, 26224, 26820, 28776, 29502, 31392, 32482, 32780, 35760, 35970, 38368, 39240, 39336, 42912, 43164, 47960, 48723, 49170, 52320, 52448, 53640, 53955, 57552, 59004, 64964, 65560, 71520, 71940, 73755, 78480, 78672, 81205, 86328, 95920, 97446, 98340, 107280, 107910, 115104, 118008, 129928, 131120, 143880, 146169, 147510, 156960, 157344, 162410, 172656, 178651, 191840, 194892, 196680, 214560, 215820, 236016, 243615, 259856, 262240, 287760, 292338, 295020, 324820, 345312, 357302, 389784, 393360, 431640, 472032, 487230, 519712, 535953, 575520, 584676, 590040, 649640, 714604, 730845, 779568, 786720, 863280, 893255, 974460, 1071906, 1169352, 1180080, 1299280, 1429208, 1461690, 1559136, 1607859, 1726560, 1786510, 1948920, 2143812, 2338704, 2360160, 2598560, 2679765, 2858416, 2923380, 3215718, 3573020, 3897840, 4287624, 4677408, 5359530, 5716832, 5846760, 6431436, 7146040, 7795680, 8039295, 8575248, 10719060, 11693520, 12862872, 14292080, 16078590, 17150496, 21438120, 23387040, 25725744, 28584160, 32157180, 42876240, 51451488, 64314360, 85752480, 128628720, 257257440]

約数ペア:

[(1, 257257440), (2, 128628720), (3, 85752480), (4, 64314360), (5, 51451488), (6, 42876240), (8, 32157180), (9, 28584160), (10, 25725744), (11, 23387040), (12, 21438120), (15, 17150496), (16, 16078590), (18, 14292080), (20, 12862872), (22, 11693520), (24, 10719060), (30, 8575248), (32, 8039295), (33, 7795680), (36, 7146040), (40, 6431436), (44, 5846760), (45, 5716832), (48, 5359530), (55, 4677408), (60, 4287624), (66, 3897840), (72, 3573020), (80, 3215718), (88, 2923380), (90, 2858416), (96, 2679765), (99, 2598560), (109, 2360160), (110, 2338704), (120, 2143812), (132, 1948920), (144, 1786510), (149, 1726560), (160, 1607859), (165, 1559136), (176, 1461690), (180, 1429208), (198, 1299280), (218, 1180080), (220, 1169352), (240, 1071906), (264, 974460), (288, 893255), (298, 863280), (327, 786720), (330, 779568), (352, 730845), (360, 714604), (396, 649640), (436, 590040), (440, 584676), (447, 575520), (480, 535953), (495, 519712), (528, 487230), (545, 472032), (596, 431640), (654, 393360), (660, 389784), (720, 357302), (745, 345312), (792, 324820), (872, 295020), (880, 292338), (894, 287760), (981, 262240), (990, 259856), (1056, 243615), (1090, 236016), (1192, 215820), (1199, 214560), (1308, 196680), (1320, 194892), (1341, 191840), (1440, 178651), (1490, 172656), (1584, 162410), (1635, 157344), (1639, 156960), (1744, 147510), (1760, 146169), (1788, 143880), (1962, 131120), (1980, 129928), (2180, 118008), (2235, 115104), (2384, 107910), (2398, 107280), (2616, 98340), (2640, 97446), (2682, 95920), (2980, 86328), (3168, 81205), (3270, 78672), (3278, 78480), (3488, 73755), (3576, 71940), (3597, 71520), (3924, 65560), (3960, 64964), (4360, 59004), (4470, 57552), (4768, 53955), (4796, 53640), (4905, 52448), (4917, 52320), (5232, 49170), (5280, 48723), (5364, 47960), (5960, 43164), (5995, 42912), (6540, 39336), (6556, 39240), (6705, 38368), (7152, 35970), (7194, 35760), (7848, 32780), (7920, 32482), (8195, 31392), (8720, 29502), (8940, 28776), (9592, 26820), (9810, 26224), (9834, 26160), (10464, 24585), (10728, 23980), (10791, 23840), (11920, 21582), (11990, 21456), (13080, 19668), (13112, 19620), (13410, 19184), (14304, 17985), (14388, 17880), (14751, 17440), (15696, 16390), (15840, 16241)]