1991082240

素因数分解:

$2^8\times 3^2\times 5^1\times 7^1\times {\mathrm{24691}}^1$

素因数の和:24725

約数の個数: 216

約数和(自身を含む): 7873389888

約数和(自身を除く): 5882307648

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, 560, 576, 630, 640, 672, 720, 768, 840, 896, 960, 1008, 1120, 1152, 1260, 1280, 1344, 1440, 1680, 1792, 1920, 2016, 2240, 2304, 2520, 2688, 2880, 3360, 3840, 4032, 4480, 5040, 5376, 5760, 6720, 8064, 8960, 10080, 11520, 13440, 16128, 20160, 24691, 26880, 40320, 49382, 74073, 80640, 98764, 123455, 148146, 172837, 197528, 222219, 246910, 296292, 345674, 370365, 395056, 444438, 493820, 518511, 592584, 691348, 740730, 790112, 864185, 888876, 987640, 1037022, 1111095, 1185168, 1382696, 1481460, 1555533, 1580224, 1728370, 1777752, 1975280, 2074044, 2222190, 2370336, 2592555, 2765392, 2962920, 3111066, 3160448, 3456740, 3555504, 3950560, 4148088, 4444380, 4740672, 5185110, 5530784, 5925840, 6222132, 6320896, 6913480, 7111008, 7777665, 7901120, 8296176, 8888760, 9481344, 10370220, 11061568, 11851680, 12444264, 13826960, 14222016, 15555330, 15802240, 16592352, 17777520, 18962688, 20740440, 22123136, 23703360, 24888528, 27653920, 28444032, 31110660, 31604480, 33184704, 35555040, 41480880, 44246272, 47406720, 49777056, 55307840, 56888064, 62221320, 66369408, 71110080, 82961760, 94813440, 99554112, 110615680, 124442640, 132738816, 142220160, 165923520, 199108224, 221231360, 248885280, 284440320, 331847040, 398216448, 497770560, 663694080, 995541120, 1991082240]

約数ペア:

[(1, 1991082240), (2, 995541120), (3, 663694080), (4, 497770560), (5, 398216448), (6, 331847040), (7, 284440320), (8, 248885280), (9, 221231360), (10, 199108224), (12, 165923520), (14, 142220160), (15, 132738816), (16, 124442640), (18, 110615680), (20, 99554112), (21, 94813440), (24, 82961760), (28, 71110080), (30, 66369408), (32, 62221320), (35, 56888064), (36, 55307840), (40, 49777056), (42, 47406720), (45, 44246272), (48, 41480880), (56, 35555040), (60, 33184704), (63, 31604480), (64, 31110660), (70, 28444032), (72, 27653920), (80, 24888528), (84, 23703360), (90, 22123136), (96, 20740440), (105, 18962688), (112, 17777520), (120, 16592352), (126, 15802240), (128, 15555330), (140, 14222016), (144, 13826960), (160, 12444264), (168, 11851680), (180, 11061568), (192, 10370220), (210, 9481344), (224, 8888760), (240, 8296176), (252, 7901120), (256, 7777665), (280, 7111008), (288, 6913480), (315, 6320896), (320, 6222132), (336, 5925840), (360, 5530784), (384, 5185110), (420, 4740672), (448, 4444380), (480, 4148088), (504, 3950560), (560, 3555504), (576, 3456740), (630, 3160448), (640, 3111066), (672, 2962920), (720, 2765392), (768, 2592555), (840, 2370336), (896, 2222190), (960, 2074044), (1008, 1975280), (1120, 1777752), (1152, 1728370), (1260, 1580224), (1280, 1555533), (1344, 1481460), (1440, 1382696), (1680, 1185168), (1792, 1111095), (1920, 1037022), (2016, 987640), (2240, 888876), (2304, 864185), (2520, 790112), (2688, 740730), (2880, 691348), (3360, 592584), (3840, 518511), (4032, 493820), (4480, 444438), (5040, 395056), (5376, 370365), (5760, 345674), (6720, 296292), (8064, 246910), (8960, 222219), (10080, 197528), (11520, 172837), (13440, 148146), (16128, 123455), (20160, 98764), (24691, 80640), (26880, 74073), (40320, 49382)]