312497280

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{239}}^1$

素因数の和:491

約数の個数: 192

約数和(自身を含む): 1088380800

約数和(自身を除く): 775883520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 227, 239, 240, 288, 320, 360, 384, 454, 478, 480, 576, 640, 681, 717, 720, 908, 956, 960, 1135, 1152, 1195, 1362, 1434, 1440, 1816, 1912, 1920, 2043, 2151, 2270, 2390, 2724, 2868, 2880, 3405, 3585, 3632, 3824, 4086, 4302, 4540, 4780, 5448, 5736, 5760, 6810, 7170, 7264, 7648, 8172, 8604, 9080, 9560, 10215, 10755, 10896, 11472, 13620, 14340, 14528, 15296, 16344, 17208, 18160, 19120, 20430, 21510, 21792, 22944, 27240, 28680, 29056, 30592, 32688, 34416, 36320, 38240, 40860, 43020, 43584, 45888, 54253, 54480, 57360, 65376, 68832, 72640, 76480, 81720, 86040, 87168, 91776, 108506, 108960, 114720, 130752, 137664, 145280, 152960, 162759, 163440, 172080, 217012, 217920, 229440, 261504, 271265, 275328, 325518, 326880, 344160, 434024, 435840, 458880, 488277, 542530, 651036, 653760, 688320, 813795, 868048, 976554, 1085060, 1302072, 1307520, 1376640, 1627590, 1736096, 1953108, 2170120, 2441385, 2604144, 3255180, 3472192, 3906216, 4340240, 4882770, 5208288, 6510360, 6944384, 7812432, 8680480, 9765540, 10416576, 13020720, 15624864, 17360960, 19531080, 20833152, 26041440, 31249728, 34721920, 39062160, 52082880, 62499456, 78124320, 104165760, 156248640, 312497280]

約数ペア:

[(1, 312497280), (2, 156248640), (3, 104165760), (4, 78124320), (5, 62499456), (6, 52082880), (8, 39062160), (9, 34721920), (10, 31249728), (12, 26041440), (15, 20833152), (16, 19531080), (18, 17360960), (20, 15624864), (24, 13020720), (30, 10416576), (32, 9765540), (36, 8680480), (40, 7812432), (45, 6944384), (48, 6510360), (60, 5208288), (64, 4882770), (72, 4340240), (80, 3906216), (90, 3472192), (96, 3255180), (120, 2604144), (128, 2441385), (144, 2170120), (160, 1953108), (180, 1736096), (192, 1627590), (227, 1376640), (239, 1307520), (240, 1302072), (288, 1085060), (320, 976554), (360, 868048), (384, 813795), (454, 688320), (478, 653760), (480, 651036), (576, 542530), (640, 488277), (681, 458880), (717, 435840), (720, 434024), (908, 344160), (956, 326880), (960, 325518), (1135, 275328), (1152, 271265), (1195, 261504), (1362, 229440), (1434, 217920), (1440, 217012), (1816, 172080), (1912, 163440), (1920, 162759), (2043, 152960), (2151, 145280), (2270, 137664), (2390, 130752), (2724, 114720), (2868, 108960), (2880, 108506), (3405, 91776), (3585, 87168), (3632, 86040), (3824, 81720), (4086, 76480), (4302, 72640), (4540, 68832), (4780, 65376), (5448, 57360), (5736, 54480), (5760, 54253), (6810, 45888), (7170, 43584), (7264, 43020), (7648, 40860), (8172, 38240), (8604, 36320), (9080, 34416), (9560, 32688), (10215, 30592), (10755, 29056), (10896, 28680), (11472, 27240), (13620, 22944), (14340, 21792), (14528, 21510), (15296, 20430), (16344, 19120), (17208, 18160)]