1988421120

素因数分解:

$2^9\times 3^2\times 5^1\times 7^1\times {\mathrm{12329}}^1$

素因数の和:12365

約数の個数: 240

約数和(自身を含む): 7870880160

約数和(自身を除く): 5882459040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 256, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 512, 560, 576, 630, 640, 672, 720, 768, 840, 896, 960, 1008, 1120, 1152, 1260, 1280, 1344, 1440, 1536, 1680, 1792, 1920, 2016, 2240, 2304, 2520, 2560, 2688, 2880, 3360, 3584, 3840, 4032, 4480, 4608, 5040, 5376, 5760, 6720, 7680, 8064, 8960, 10080, 10752, 11520, 12329, 13440, 16128, 17920, 20160, 23040, 24658, 26880, 32256, 36987, 40320, 49316, 53760, 61645, 73974, 80640, 86303, 98632, 110961, 123290, 147948, 161280, 172606, 184935, 197264, 221922, 246580, 258909, 295896, 345212, 369870, 394528, 431515, 443844, 493160, 517818, 554805, 591792, 690424, 739740, 776727, 789056, 863030, 887688, 986320, 1035636, 1109610, 1183584, 1294545, 1380848, 1479480, 1553454, 1578112, 1726060, 1775376, 1972640, 2071272, 2219220, 2367168, 2589090, 2761696, 2958960, 3106908, 3156224, 3452120, 3550752, 3883635, 3945280, 4142544, 4438440, 4734336, 5178180, 5523392, 5917920, 6213816, 6312448, 6904240, 7101504, 7767270, 7890560, 8285088, 8876880, 9468672, 10356360, 11046784, 11835840, 12427632, 13808480, 14203008, 15534540, 15781120, 16570176, 17753760, 18937344, 20712720, 22093568, 23671680, 24855264, 27616960, 28406016, 31069080, 31562240, 33140352, 35507520, 41425440, 44187136, 47343360, 49710528, 55233920, 56812032, 62138160, 66280704, 71015040, 82850880, 94686720, 99421056, 110467840, 124276320, 132561408, 142030080, 165701760, 198842112, 220935680, 248552640, 284060160, 331403520, 397684224, 497105280, 662807040, 994210560, 1988421120]

約数ペア:

[(1, 1988421120), (2, 994210560), (3, 662807040), (4, 497105280), (5, 397684224), (6, 331403520), (7, 284060160), (8, 248552640), (9, 220935680), (10, 198842112), (12, 165701760), (14, 142030080), (15, 132561408), (16, 124276320), (18, 110467840), (20, 99421056), (21, 94686720), (24, 82850880), (28, 71015040), (30, 66280704), (32, 62138160), (35, 56812032), (36, 55233920), (40, 49710528), (42, 47343360), (45, 44187136), (48, 41425440), (56, 35507520), (60, 33140352), (63, 31562240), (64, 31069080), (70, 28406016), (72, 27616960), (80, 24855264), (84, 23671680), (90, 22093568), (96, 20712720), (105, 18937344), (112, 17753760), (120, 16570176), (126, 15781120), (128, 15534540), (140, 14203008), (144, 13808480), (160, 12427632), (168, 11835840), (180, 11046784), (192, 10356360), (210, 9468672), (224, 8876880), (240, 8285088), (252, 7890560), (256, 7767270), (280, 7101504), (288, 6904240), (315, 6312448), (320, 6213816), (336, 5917920), (360, 5523392), (384, 5178180), (420, 4734336), (448, 4438440), (480, 4142544), (504, 3945280), (512, 3883635), (560, 3550752), (576, 3452120), (630, 3156224), (640, 3106908), (672, 2958960), (720, 2761696), (768, 2589090), (840, 2367168), (896, 2219220), (960, 2071272), (1008, 1972640), (1120, 1775376), (1152, 1726060), (1260, 1578112), (1280, 1553454), (1344, 1479480), (1440, 1380848), (1536, 1294545), (1680, 1183584), (1792, 1109610), (1920, 1035636), (2016, 986320), (2240, 887688), (2304, 863030), (2520, 789056), (2560, 776727), (2688, 739740), (2880, 690424), (3360, 591792), (3584, 554805), (3840, 517818), (4032, 493160), (4480, 443844), (4608, 431515), (5040, 394528), (5376, 369870), (5760, 345212), (6720, 295896), (7680, 258909), (8064, 246580), (8960, 221922), (10080, 197264), (10752, 184935), (11520, 172606), (12329, 161280), (13440, 147948), (16128, 123290), (17920, 110961), (20160, 98632), (23040, 86303), (24658, 80640), (26880, 73974), (32256, 61645), (36987, 53760), (40320, 49316)]