1681434720

素因数分解:

$2^5\times 3^3\times 5^1\times 7^1\times {\mathrm{55603}}^1$

素因数の和:55634

約数の個数: 192

約数和(自身を含む): 6725859840

約数和(自身を除く): 5044425120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 336, 360, 378, 420, 432, 480, 504, 540, 560, 630, 672, 720, 756, 840, 864, 945, 1008, 1080, 1120, 1260, 1440, 1512, 1680, 1890, 2016, 2160, 2520, 3024, 3360, 3780, 4320, 5040, 6048, 7560, 10080, 15120, 30240, 55603, 111206, 166809, 222412, 278015, 333618, 389221, 444824, 500427, 556030, 667236, 778442, 834045, 889648, 1000854, 1112060, 1167663, 1334472, 1501281, 1556884, 1668090, 1779296, 1946105, 2001708, 2224120, 2335326, 2502135, 2668944, 3002562, 3113768, 3336180, 3502989, 3892210, 4003416, 4448240, 4670652, 5004270, 5337888, 5838315, 6005124, 6227536, 6672360, 7005978, 7506405, 7784420, 8006832, 8896480, 9341304, 10008540, 10508967, 11676630, 12010248, 12455072, 13344720, 14011956, 15012810, 15568840, 16013664, 17514945, 18682608, 20017080, 21017934, 23353260, 24020496, 26689440, 28023912, 30025620, 31137680, 35029890, 37365216, 40034160, 42035868, 46706520, 48040992, 52544835, 56047824, 60051240, 62275360, 70059780, 80068320, 84071736, 93413040, 105089670, 112095648, 120102480, 140119560, 168143472, 186826080, 210179340, 240204960, 280239120, 336286944, 420358680, 560478240, 840717360, 1681434720]

約数ペア:

[(1, 1681434720), (2, 840717360), (3, 560478240), (4, 420358680), (5, 336286944), (6, 280239120), (7, 240204960), (8, 210179340), (9, 186826080), (10, 168143472), (12, 140119560), (14, 120102480), (15, 112095648), (16, 105089670), (18, 93413040), (20, 84071736), (21, 80068320), (24, 70059780), (27, 62275360), (28, 60051240), (30, 56047824), (32, 52544835), (35, 48040992), (36, 46706520), (40, 42035868), (42, 40034160), (45, 37365216), (48, 35029890), (54, 31137680), (56, 30025620), (60, 28023912), (63, 26689440), (70, 24020496), (72, 23353260), (80, 21017934), (84, 20017080), (90, 18682608), (96, 17514945), (105, 16013664), (108, 15568840), (112, 15012810), (120, 14011956), (126, 13344720), (135, 12455072), (140, 12010248), (144, 11676630), (160, 10508967), (168, 10008540), (180, 9341304), (189, 8896480), (210, 8006832), (216, 7784420), (224, 7506405), (240, 7005978), (252, 6672360), (270, 6227536), (280, 6005124), (288, 5838315), (315, 5337888), (336, 5004270), (360, 4670652), (378, 4448240), (420, 4003416), (432, 3892210), (480, 3502989), (504, 3336180), (540, 3113768), (560, 3002562), (630, 2668944), (672, 2502135), (720, 2335326), (756, 2224120), (840, 2001708), (864, 1946105), (945, 1779296), (1008, 1668090), (1080, 1556884), (1120, 1501281), (1260, 1334472), (1440, 1167663), (1512, 1112060), (1680, 1000854), (1890, 889648), (2016, 834045), (2160, 778442), (2520, 667236), (3024, 556030), (3360, 500427), (3780, 444824), (4320, 389221), (5040, 333618), (6048, 278015), (7560, 222412), (10080, 166809), (15120, 111206), (30240, 55603)]