251249040

素因数分解:

$2^4\times 3^4\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1$

素因数の和:252

約数の個数: 400

約数和(自身を含む): 1037076480

約数和(自身を除く): 785827440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 29, 30, 35, 36, 40, 42, 45, 48, 54, 56, 58, 60, 63, 70, 72, 80, 81, 84, 87, 90, 105, 108, 112, 116, 120, 126, 135, 140, 144, 145, 162, 168, 174, 180, 189, 191, 203, 210, 216, 232, 240, 252, 261, 270, 280, 290, 315, 324, 336, 348, 360, 378, 382, 405, 406, 420, 432, 435, 464, 504, 522, 540, 560, 567, 573, 580, 609, 630, 648, 696, 720, 756, 764, 783, 810, 812, 840, 870, 945, 955, 1008, 1015, 1044, 1080, 1134, 1146, 1160, 1218, 1260, 1296, 1305, 1337, 1392, 1512, 1528, 1566, 1620, 1624, 1680, 1719, 1740, 1827, 1890, 1910, 2030, 2088, 2160, 2268, 2292, 2320, 2349, 2436, 2520, 2610, 2674, 2835, 2865, 3024, 3045, 3056, 3132, 3240, 3248, 3438, 3480, 3654, 3780, 3820, 3915, 4011, 4060, 4176, 4536, 4584, 4698, 4872, 5040, 5157, 5220, 5348, 5481, 5539, 5670, 5730, 6090, 6264, 6480, 6685, 6876, 6960, 7308, 7560, 7640, 7830, 8022, 8120, 8595, 9072, 9135, 9168, 9396, 9744, 10314, 10440, 10696, 10962, 11078, 11340, 11460, 11745, 12033, 12180, 12528, 13370, 13752, 14616, 15120, 15280, 15471, 15660, 16044, 16240, 16443, 16617, 17190, 18270, 18792, 20055, 20628, 20880, 21392, 21924, 22156, 22680, 22920, 23490, 24066, 24360, 25785, 26740, 27405, 27504, 27695, 29232, 30942, 31320, 32088, 32886, 33234, 34380, 36099, 36540, 37584, 38773, 40110, 41256, 43848, 44312, 45360, 45840, 46980, 48132, 48720, 49851, 51570, 53480, 54810, 55390, 60165, 61884, 62640, 64176, 65772, 66468, 68760, 72198, 73080, 77355, 77546, 80220, 82215, 82512, 83085, 87696, 88624, 93960, 96264, 99702, 103140, 106960, 108297, 109620, 110780, 116319, 120330, 123768, 131544, 132936, 137520, 144396, 146160, 149553, 154710, 155092, 160440, 164430, 166170, 180495, 187920, 192528, 193865, 199404, 206280, 216594, 219240, 221560, 232638, 240660, 247536, 249255, 263088, 265872, 288792, 299106, 309420, 310184, 320880, 328860, 332340, 348957, 360990, 387730, 398808, 412560, 433188, 438480, 443120, 448659, 465276, 481320, 498510, 541485, 577584, 581595, 598212, 618840, 620368, 657720, 664680, 697914, 721980, 747765, 775460, 797616, 866376, 897318, 930552, 962640, 997020, 1046871, 1082970, 1163190, 1196424, 1237680, 1315440, 1329360, 1395828, 1443960, 1495530, 1550920, 1732752, 1744785, 1794636, 1861104, 1994040, 2093742, 2165940, 2243295, 2326380, 2392848, 2791656, 2887920, 2991060, 3101840, 3140613, 3489570, 3589272, 3988080, 4187484, 4331880, 4486590, 4652760, 5234355, 5583312, 5982120, 6281226, 6979140, 7178544, 8374968, 8663760, 8973180, 9305520, 10468710, 11964240, 12562452, 13958280, 15703065, 16749936, 17946360, 20937420, 25124904, 27916560, 31406130, 35892720, 41874840, 50249808, 62812260, 83749680, 125624520, 251249040]

約数ペア:

[(1, 251249040), (2, 125624520), (3, 83749680), (4, 62812260), (5, 50249808), (6, 41874840), (7, 35892720), (8, 31406130), (9, 27916560), (10, 25124904), (12, 20937420), (14, 17946360), (15, 16749936), (16, 15703065), (18, 13958280), (20, 12562452), (21, 11964240), (24, 10468710), (27, 9305520), (28, 8973180), (29, 8663760), (30, 8374968), (35, 7178544), (36, 6979140), (40, 6281226), (42, 5982120), (45, 5583312), (48, 5234355), (54, 4652760), (56, 4486590), (58, 4331880), (60, 4187484), (63, 3988080), (70, 3589272), (72, 3489570), (80, 3140613), (81, 3101840), (84, 2991060), (87, 2887920), (90, 2791656), (105, 2392848), (108, 2326380), (112, 2243295), (116, 2165940), (120, 2093742), (126, 1994040), (135, 1861104), (140, 1794636), (144, 1744785), (145, 1732752), (162, 1550920), (168, 1495530), (174, 1443960), (180, 1395828), (189, 1329360), (191, 1315440), (203, 1237680), (210, 1196424), (216, 1163190), (232, 1082970), (240, 1046871), (252, 997020), (261, 962640), (270, 930552), (280, 897318), (290, 866376), (315, 797616), (324, 775460), (336, 747765), (348, 721980), (360, 697914), (378, 664680), (382, 657720), (405, 620368), (406, 618840), (420, 598212), (432, 581595), (435, 577584), (464, 541485), (504, 498510), (522, 481320), (540, 465276), (560, 448659), (567, 443120), (573, 438480), (580, 433188), (609, 412560), (630, 398808), (648, 387730), (696, 360990), (720, 348957), (756, 332340), (764, 328860), (783, 320880), (810, 310184), (812, 309420), (840, 299106), (870, 288792), (945, 265872), (955, 263088), (1008, 249255), (1015, 247536), (1044, 240660), (1080, 232638), (1134, 221560), (1146, 219240), (1160, 216594), (1218, 206280), (1260, 199404), (1296, 193865), (1305, 192528), (1337, 187920), (1392, 180495), (1512, 166170), (1528, 164430), (1566, 160440), (1620, 155092), (1624, 154710), (1680, 149553), (1719, 146160), (1740, 144396), (1827, 137520), (1890, 132936), (1910, 131544), (2030, 123768), (2088, 120330), (2160, 116319), (2268, 110780), (2292, 109620), (2320, 108297), (2349, 106960), (2436, 103140), (2520, 99702), (2610, 96264), (2674, 93960), (2835, 88624), (2865, 87696), (3024, 83085), (3045, 82512), (3056, 82215), (3132, 80220), (3240, 77546), (3248, 77355), (3438, 73080), (3480, 72198), (3654, 68760), (3780, 66468), (3820, 65772), (3915, 64176), (4011, 62640), (4060, 61884), (4176, 60165), (4536, 55390), (4584, 54810), (4698, 53480), (4872, 51570), (5040, 49851), (5157, 48720), (5220, 48132), (5348, 46980), (5481, 45840), (5539, 45360), (5670, 44312), (5730, 43848), (6090, 41256), (6264, 40110), (6480, 38773), (6685, 37584), (6876, 36540), (6960, 36099), (7308, 34380), (7560, 33234), (7640, 32886), (7830, 32088), (8022, 31320), (8120, 30942), (8595, 29232), (9072, 27695), (9135, 27504), (9168, 27405), (9396, 26740), (9744, 25785), (10314, 24360), (10440, 24066), (10696, 23490), (10962, 22920), (11078, 22680), (11340, 22156), (11460, 21924), (11745, 21392), (12033, 20880), (12180, 20628), (12528, 20055), (13370, 18792), (13752, 18270), (14616, 17190), (15120, 16617), (15280, 16443), (15471, 16240), (15660, 16044)]