2019671680

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{263}}^1$

素因数の和:379

約数の個数: 192

約数和(自身を含む): 5322049920

約数和(自身を除く): 3302378240

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, 169, 208, 260, 263, 284, 320, 338, 355, 416, 520, 526, 568, 640, 676, 710, 832, 845, 923, 1040, 1052, 1136, 1315, 1352, 1420, 1664, 1690, 1846, 2080, 2104, 2272, 2630, 2704, 2840, 3380, 3419, 3692, 4160, 4208, 4544, 4615, 5260, 5408, 5680, 6760, 6838, 7384, 8320, 8416, 9088, 9230, 10520, 10816, 11360, 11999, 13520, 13676, 14768, 16832, 17095, 18460, 18673, 21040, 21632, 22720, 23998, 27040, 27352, 29536, 33664, 34190, 36920, 37346, 42080, 44447, 45440, 47996, 54080, 54704, 59072, 59995, 68380, 73840, 74692, 84160, 88894, 93365, 95992, 108160, 109408, 118144, 119990, 136760, 147680, 149384, 168320, 177788, 186730, 191984, 218816, 222235, 239980, 242749, 273520, 295360, 298768, 355576, 373460, 383968, 437632, 444470, 479960, 485498, 547040, 590720, 597536, 711152, 746920, 767936, 888940, 959920, 970996, 1094080, 1195072, 1213745, 1422304, 1493840, 1535872, 1777880, 1919840, 1941992, 2188160, 2390144, 2427490, 2844608, 2987680, 3155737, 3555760, 3839680, 3883984, 4854980, 5689216, 5975360, 6311474, 7111520, 7679360, 7767968, 9709960, 11950720, 12622948, 14223040, 15535936, 15778685, 19419920, 25245896, 28446080, 31071872, 31557370, 38839840, 50491792, 63114740, 77679680, 100983584, 126229480, 155359360, 201967168, 252458960, 403934336, 504917920, 1009835840, 2019671680]

約数ペア:

[(1, 2019671680), (2, 1009835840), (4, 504917920), (5, 403934336), (8, 252458960), (10, 201967168), (13, 155359360), (16, 126229480), (20, 100983584), (26, 77679680), (32, 63114740), (40, 50491792), (52, 38839840), (64, 31557370), (65, 31071872), (71, 28446080), (80, 25245896), (104, 19419920), (128, 15778685), (130, 15535936), (142, 14223040), (160, 12622948), (169, 11950720), (208, 9709960), (260, 7767968), (263, 7679360), (284, 7111520), (320, 6311474), (338, 5975360), (355, 5689216), (416, 4854980), (520, 3883984), (526, 3839680), (568, 3555760), (640, 3155737), (676, 2987680), (710, 2844608), (832, 2427490), (845, 2390144), (923, 2188160), (1040, 1941992), (1052, 1919840), (1136, 1777880), (1315, 1535872), (1352, 1493840), (1420, 1422304), (1664, 1213745), (1690, 1195072), (1846, 1094080), (2080, 970996), (2104, 959920), (2272, 888940), (2630, 767936), (2704, 746920), (2840, 711152), (3380, 597536), (3419, 590720), (3692, 547040), (4160, 485498), (4208, 479960), (4544, 444470), (4615, 437632), (5260, 383968), (5408, 373460), (5680, 355576), (6760, 298768), (6838, 295360), (7384, 273520), (8320, 242749), (8416, 239980), (9088, 222235), (9230, 218816), (10520, 191984), (10816, 186730), (11360, 177788), (11999, 168320), (13520, 149384), (13676, 147680), (14768, 136760), (16832, 119990), (17095, 118144), (18460, 109408), (18673, 108160), (21040, 95992), (21632, 93365), (22720, 88894), (23998, 84160), (27040, 74692), (27352, 73840), (29536, 68380), (33664, 59995), (34190, 59072), (36920, 54704), (37346, 54080), (42080, 47996), (44447, 45440)]