12881917440

素因数分解:

$2^9\times 3^2\times 5^1\times 7^1\times {\mathrm{79873}}^1$

素因数の和:79909

約数の個数: 240

約数和(自身を含む): 50987727648

約数和(自身を除く): 38105810208

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, 13440, 16128, 17920, 20160, 23040, 26880, 32256, 40320, 53760, 79873, 80640, 159746, 161280, 239619, 319492, 399365, 479238, 559111, 638984, 718857, 798730, 958476, 1118222, 1198095, 1277968, 1437714, 1597460, 1677333, 1916952, 2236444, 2396190, 2555936, 2795555, 2875428, 3194920, 3354666, 3594285, 3833904, 4472888, 4792380, 5031999, 5111872, 5591110, 5750856, 6389840, 6709332, 7188570, 7667808, 8386665, 8945776, 9584760, 10063998, 10223744, 11182220, 11501712, 12779680, 13418664, 14377140, 15335616, 16773330, 17891552, 19169520, 20127996, 20447488, 22364440, 23003424, 25159995, 25559360, 26837328, 28754280, 30671232, 33546660, 35783104, 38339040, 40255992, 40894976, 44728880, 46006848, 50319990, 51118720, 53674656, 57508560, 61342464, 67093320, 71566208, 76678080, 80511984, 89457760, 92013696, 100639980, 102237440, 107349312, 115017120, 122684928, 134186640, 143132416, 153356160, 161023968, 178915520, 184027392, 201279960, 204474880, 214698624, 230034240, 268373280, 286264832, 306712320, 322047936, 357831040, 368054784, 402559920, 429397248, 460068480, 536746560, 613424640, 644095872, 715662080, 805119840, 858794496, 920136960, 1073493120, 1288191744, 1431324160, 1610239680, 1840273920, 2146986240, 2576383488, 3220479360, 4293972480, 6440958720, 12881917440]

約数ペア:

[(1, 12881917440), (2, 6440958720), (3, 4293972480), (4, 3220479360), (5, 2576383488), (6, 2146986240), (7, 1840273920), (8, 1610239680), (9, 1431324160), (10, 1288191744), (12, 1073493120), (14, 920136960), (15, 858794496), (16, 805119840), (18, 715662080), (20, 644095872), (21, 613424640), (24, 536746560), (28, 460068480), (30, 429397248), (32, 402559920), (35, 368054784), (36, 357831040), (40, 322047936), (42, 306712320), (45, 286264832), (48, 268373280), (56, 230034240), (60, 214698624), (63, 204474880), (64, 201279960), (70, 184027392), (72, 178915520), (80, 161023968), (84, 153356160), (90, 143132416), (96, 134186640), (105, 122684928), (112, 115017120), (120, 107349312), (126, 102237440), (128, 100639980), (140, 92013696), (144, 89457760), (160, 80511984), (168, 76678080), (180, 71566208), (192, 67093320), (210, 61342464), (224, 57508560), (240, 53674656), (252, 51118720), (256, 50319990), (280, 46006848), (288, 44728880), (315, 40894976), (320, 40255992), (336, 38339040), (360, 35783104), (384, 33546660), (420, 30671232), (448, 28754280), (480, 26837328), (504, 25559360), (512, 25159995), (560, 23003424), (576, 22364440), (630, 20447488), (640, 20127996), (672, 19169520), (720, 17891552), (768, 16773330), (840, 15335616), (896, 14377140), (960, 13418664), (1008, 12779680), (1120, 11501712), (1152, 11182220), (1260, 10223744), (1280, 10063998), (1344, 9584760), (1440, 8945776), (1536, 8386665), (1680, 7667808), (1792, 7188570), (1920, 6709332), (2016, 6389840), (2240, 5750856), (2304, 5591110), (2520, 5111872), (2560, 5031999), (2688, 4792380), (2880, 4472888), (3360, 3833904), (3584, 3594285), (3840, 3354666), (4032, 3194920), (4480, 2875428), (4608, 2795555), (5040, 2555936), (5376, 2396190), (5760, 2236444), (6720, 1916952), (7680, 1677333), (8064, 1597460), (8960, 1437714), (10080, 1277968), (10752, 1198095), (11520, 1118222), (13440, 958476), (16128, 798730), (17920, 718857), (20160, 638984), (23040, 559111), (26880, 479238), (32256, 399365), (40320, 319492), (53760, 239619), (79873, 161280), (80640, 159746)]