251536320

素因数分解:

$2^6\times 3^3\times 5^1\times 7^1\times {\mathrm{4159}}^1$

素因数の和:4192

約数の個数: 224

約数和(自身を含む): 1014374400

約数和(自身を除く): 762838080

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, 64, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 168, 180, 189, 192, 210, 216, 224, 240, 252, 270, 280, 288, 315, 320, 336, 360, 378, 420, 432, 448, 480, 504, 540, 560, 576, 630, 672, 720, 756, 840, 864, 945, 960, 1008, 1080, 1120, 1260, 1344, 1440, 1512, 1680, 1728, 1890, 2016, 2160, 2240, 2520, 2880, 3024, 3360, 3780, 4032, 4159, 4320, 5040, 6048, 6720, 7560, 8318, 8640, 10080, 12096, 12477, 15120, 16636, 20160, 20795, 24954, 29113, 30240, 33272, 37431, 41590, 49908, 58226, 60480, 62385, 66544, 74862, 83180, 87339, 99816, 112293, 116452, 124770, 133088, 145565, 149724, 166360, 174678, 187155, 199632, 224586, 232904, 249540, 262017, 266176, 291130, 299448, 332720, 349356, 374310, 399264, 436695, 449172, 465808, 499080, 524034, 561465, 582260, 598896, 665440, 698712, 748620, 786051, 798528, 873390, 898344, 931616, 998160, 1048068, 1122930, 1164520, 1197792, 1310085, 1330880, 1397424, 1497240, 1572102, 1746780, 1796688, 1863232, 1996320, 2096136, 2245860, 2329040, 2395584, 2620170, 2794848, 2994480, 3144204, 3493560, 3593376, 3930255, 3992640, 4192272, 4491720, 4658080, 5240340, 5589696, 5988960, 6288408, 6987120, 7186752, 7860510, 8384544, 8983440, 9316160, 10480680, 11977920, 12576816, 13974240, 15721020, 16769088, 17966880, 20961360, 25153632, 27948480, 31442040, 35933760, 41922720, 50307264, 62884080, 83845440, 125768160, 251536320]

約数ペア:

[(1, 251536320), (2, 125768160), (3, 83845440), (4, 62884080), (5, 50307264), (6, 41922720), (7, 35933760), (8, 31442040), (9, 27948480), (10, 25153632), (12, 20961360), (14, 17966880), (15, 16769088), (16, 15721020), (18, 13974240), (20, 12576816), (21, 11977920), (24, 10480680), (27, 9316160), (28, 8983440), (30, 8384544), (32, 7860510), (35, 7186752), (36, 6987120), (40, 6288408), (42, 5988960), (45, 5589696), (48, 5240340), (54, 4658080), (56, 4491720), (60, 4192272), (63, 3992640), (64, 3930255), (70, 3593376), (72, 3493560), (80, 3144204), (84, 2994480), (90, 2794848), (96, 2620170), (105, 2395584), (108, 2329040), (112, 2245860), (120, 2096136), (126, 1996320), (135, 1863232), (140, 1796688), (144, 1746780), (160, 1572102), (168, 1497240), (180, 1397424), (189, 1330880), (192, 1310085), (210, 1197792), (216, 1164520), (224, 1122930), (240, 1048068), (252, 998160), (270, 931616), (280, 898344), (288, 873390), (315, 798528), (320, 786051), (336, 748620), (360, 698712), (378, 665440), (420, 598896), (432, 582260), (448, 561465), (480, 524034), (504, 499080), (540, 465808), (560, 449172), (576, 436695), (630, 399264), (672, 374310), (720, 349356), (756, 332720), (840, 299448), (864, 291130), (945, 266176), (960, 262017), (1008, 249540), (1080, 232904), (1120, 224586), (1260, 199632), (1344, 187155), (1440, 174678), (1512, 166360), (1680, 149724), (1728, 145565), (1890, 133088), (2016, 124770), (2160, 116452), (2240, 112293), (2520, 99816), (2880, 87339), (3024, 83180), (3360, 74862), (3780, 66544), (4032, 62385), (4159, 60480), (4320, 58226), (5040, 49908), (6048, 41590), (6720, 37431), (7560, 33272), (8318, 30240), (8640, 29113), (10080, 24954), (12096, 20795), (12477, 20160), (15120, 16636)]