1242874880

素因数分解:

$2^{10}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{263}}^1$

素因数の和:372

約数の個数: 176

約数和(自身を含む): 3268387584

約数和(自身を除く): 2025512704

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 71, 80, 104, 128, 130, 142, 160, 208, 256, 260, 263, 284, 320, 355, 416, 512, 520, 526, 568, 640, 710, 832, 923, 1024, 1040, 1052, 1136, 1280, 1315, 1420, 1664, 1846, 2080, 2104, 2272, 2560, 2630, 2840, 3328, 3419, 3692, 4160, 4208, 4544, 4615, 5120, 5260, 5680, 6656, 6838, 7384, 8320, 8416, 9088, 9230, 10520, 11360, 13312, 13676, 14768, 16640, 16832, 17095, 18176, 18460, 18673, 21040, 22720, 27352, 29536, 33280, 33664, 34190, 36352, 36920, 37346, 42080, 45440, 54704, 59072, 66560, 67328, 68380, 72704, 73840, 74692, 84160, 90880, 93365, 109408, 118144, 134656, 136760, 147680, 149384, 168320, 181760, 186730, 218816, 236288, 242749, 269312, 273520, 295360, 298768, 336640, 363520, 373460, 437632, 472576, 485498, 547040, 590720, 597536, 673280, 746920, 875264, 945152, 970996, 1094080, 1181440, 1195072, 1213745, 1346560, 1493840, 1750528, 1941992, 2188160, 2362880, 2390144, 2427490, 2987680, 3501056, 3883984, 4376320, 4725760, 4780288, 4854980, 5975360, 7767968, 8752640, 9560576, 9709960, 11950720, 15535936, 17505280, 19121152, 19419920, 23901440, 31071872, 38839840, 47802880, 62143744, 77679680, 95605760, 124287488, 155359360, 248574976, 310718720, 621437440, 1242874880]

約数ペア:

[(1, 1242874880), (2, 621437440), (4, 310718720), (5, 248574976), (8, 155359360), (10, 124287488), (13, 95605760), (16, 77679680), (20, 62143744), (26, 47802880), (32, 38839840), (40, 31071872), (52, 23901440), (64, 19419920), (65, 19121152), (71, 17505280), (80, 15535936), (104, 11950720), (128, 9709960), (130, 9560576), (142, 8752640), (160, 7767968), (208, 5975360), (256, 4854980), (260, 4780288), (263, 4725760), (284, 4376320), (320, 3883984), (355, 3501056), (416, 2987680), (512, 2427490), (520, 2390144), (526, 2362880), (568, 2188160), (640, 1941992), (710, 1750528), (832, 1493840), (923, 1346560), (1024, 1213745), (1040, 1195072), (1052, 1181440), (1136, 1094080), (1280, 970996), (1315, 945152), (1420, 875264), (1664, 746920), (1846, 673280), (2080, 597536), (2104, 590720), (2272, 547040), (2560, 485498), (2630, 472576), (2840, 437632), (3328, 373460), (3419, 363520), (3692, 336640), (4160, 298768), (4208, 295360), (4544, 273520), (4615, 269312), (5120, 242749), (5260, 236288), (5680, 218816), (6656, 186730), (6838, 181760), (7384, 168320), (8320, 149384), (8416, 147680), (9088, 136760), (9230, 134656), (10520, 118144), (11360, 109408), (13312, 93365), (13676, 90880), (14768, 84160), (16640, 74692), (16832, 73840), (17095, 72704), (18176, 68380), (18460, 67328), (18673, 66560), (21040, 59072), (22720, 54704), (27352, 45440), (29536, 42080), (33280, 37346), (33664, 36920), (34190, 36352)]