212221440

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1$

素因数の和:241

約数の個数: 240

約数和(自身を含む): 751978656

約数和(自身を除く): 539757216

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, 61, 64, 72, 80, 90, 96, 120, 122, 128, 144, 151, 160, 180, 183, 192, 240, 244, 256, 288, 302, 305, 320, 360, 366, 384, 453, 480, 488, 512, 549, 576, 604, 610, 640, 720, 732, 755, 768, 906, 915, 960, 976, 1098, 1152, 1208, 1220, 1280, 1359, 1440, 1464, 1510, 1536, 1812, 1830, 1920, 1952, 2196, 2265, 2304, 2416, 2440, 2560, 2718, 2745, 2880, 2928, 3020, 3624, 3660, 3840, 3904, 4392, 4530, 4608, 4832, 4880, 5436, 5490, 5760, 5856, 6040, 6795, 7248, 7320, 7680, 7808, 8784, 9060, 9211, 9664, 9760, 10872, 10980, 11520, 11712, 12080, 13590, 14496, 14640, 15616, 17568, 18120, 18422, 19328, 19520, 21744, 21960, 23040, 23424, 24160, 27180, 27633, 28992, 29280, 31232, 35136, 36240, 36844, 38656, 39040, 43488, 43920, 46055, 46848, 48320, 54360, 55266, 57984, 58560, 70272, 72480, 73688, 77312, 78080, 82899, 86976, 87840, 92110, 93696, 96640, 108720, 110532, 115968, 117120, 138165, 140544, 144960, 147376, 156160, 165798, 173952, 175680, 184220, 193280, 217440, 221064, 231936, 234240, 276330, 281088, 289920, 294752, 331596, 347904, 351360, 368440, 386560, 414495, 434880, 442128, 468480, 552660, 579840, 589504, 663192, 695808, 702720, 736880, 828990, 869760, 884256, 1105320, 1159680, 1179008, 1326384, 1405440, 1473760, 1657980, 1739520, 1768512, 2210640, 2358016, 2652768, 2947520, 3315960, 3479040, 3537024, 4421280, 4716032, 5305536, 5895040, 6631920, 7074048, 8842560, 10611072, 11790080, 13263840, 14148096, 17685120, 21222144, 23580160, 26527680, 35370240, 42444288, 53055360, 70740480, 106110720, 212221440]

約数ペア:

[(1, 212221440), (2, 106110720), (3, 70740480), (4, 53055360), (5, 42444288), (6, 35370240), (8, 26527680), (9, 23580160), (10, 21222144), (12, 17685120), (15, 14148096), (16, 13263840), (18, 11790080), (20, 10611072), (24, 8842560), (30, 7074048), (32, 6631920), (36, 5895040), (40, 5305536), (45, 4716032), (48, 4421280), (60, 3537024), (61, 3479040), (64, 3315960), (72, 2947520), (80, 2652768), (90, 2358016), (96, 2210640), (120, 1768512), (122, 1739520), (128, 1657980), (144, 1473760), (151, 1405440), (160, 1326384), (180, 1179008), (183, 1159680), (192, 1105320), (240, 884256), (244, 869760), (256, 828990), (288, 736880), (302, 702720), (305, 695808), (320, 663192), (360, 589504), (366, 579840), (384, 552660), (453, 468480), (480, 442128), (488, 434880), (512, 414495), (549, 386560), (576, 368440), (604, 351360), (610, 347904), (640, 331596), (720, 294752), (732, 289920), (755, 281088), (768, 276330), (906, 234240), (915, 231936), (960, 221064), (976, 217440), (1098, 193280), (1152, 184220), (1208, 175680), (1220, 173952), (1280, 165798), (1359, 156160), (1440, 147376), (1464, 144960), (1510, 140544), (1536, 138165), (1812, 117120), (1830, 115968), (1920, 110532), (1952, 108720), (2196, 96640), (2265, 93696), (2304, 92110), (2416, 87840), (2440, 86976), (2560, 82899), (2718, 78080), (2745, 77312), (2880, 73688), (2928, 72480), (3020, 70272), (3624, 58560), (3660, 57984), (3840, 55266), (3904, 54360), (4392, 48320), (4530, 46848), (4608, 46055), (4832, 43920), (4880, 43488), (5436, 39040), (5490, 38656), (5760, 36844), (5856, 36240), (6040, 35136), (6795, 31232), (7248, 29280), (7320, 28992), (7680, 27633), (7808, 27180), (8784, 24160), (9060, 23424), (9211, 23040), (9664, 21960), (9760, 21744), (10872, 19520), (10980, 19328), (11520, 18422), (11712, 18120), (12080, 17568), (13590, 15616), (14496, 14640)]