20985315840

素因数分解:

$2^9\times 3^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{4159}}^1$

素因数の和:4264

約数の個数: 320

約数和(自身を含む): 75580876800

約数和(自身を除く): 54595560960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 73, 80, 90, 96, 108, 120, 128, 135, 144, 146, 160, 180, 192, 216, 219, 240, 256, 270, 288, 292, 320, 360, 365, 384, 432, 438, 480, 512, 540, 576, 584, 640, 657, 720, 730, 768, 864, 876, 960, 1080, 1095, 1152, 1168, 1280, 1314, 1440, 1460, 1536, 1728, 1752, 1920, 1971, 2160, 2190, 2304, 2336, 2560, 2628, 2880, 2920, 3285, 3456, 3504, 3840, 3942, 4159, 4320, 4380, 4608, 4672, 5256, 5760, 5840, 6570, 6912, 7008, 7680, 7884, 8318, 8640, 8760, 9344, 9855, 10512, 11520, 11680, 12477, 13140, 13824, 14016, 15768, 16636, 17280, 17520, 18688, 19710, 20795, 21024, 23040, 23360, 24954, 26280, 28032, 31536, 33272, 34560, 35040, 37376, 37431, 39420, 41590, 42048, 46720, 49908, 52560, 56064, 62385, 63072, 66544, 69120, 70080, 74862, 78840, 83180, 84096, 93440, 99816, 105120, 112128, 112293, 124770, 126144, 133088, 140160, 149724, 157680, 166360, 168192, 186880, 187155, 199632, 210240, 224586, 249540, 252288, 266176, 280320, 299448, 303607, 315360, 332720, 336384, 374310, 399264, 420480, 449172, 499080, 504576, 532352, 560640, 561465, 598896, 607214, 630720, 665440, 748620, 798528, 840960, 898344, 910821, 998160, 1009152, 1064704, 1122930, 1197792, 1214428, 1261440, 1330880, 1497240, 1518035, 1597056, 1681920, 1796688, 1821642, 1996320, 2129408, 2245860, 2395584, 2428856, 2522880, 2661760, 2732463, 2994480, 3036070, 3194112, 3593376, 3643284, 3992640, 4491720, 4554105, 4791168, 4857712, 5045760, 5323520, 5464926, 5988960, 6072140, 6388224, 7186752, 7286568, 7985280, 8197389, 8983440, 9108210, 9582336, 9715424, 10647040, 10929852, 11977920, 12144280, 13662315, 14373504, 14573136, 15970560, 16394778, 17966880, 18216420, 19164672, 19430848, 21859704, 23955840, 24288560, 27324630, 28747008, 29146272, 31941120, 32789556, 35933760, 36432840, 38861696, 40986945, 43719408, 47911680, 48577120, 54649260, 57494016, 58292544, 65579112, 71867520, 72865680, 77723392, 81973890, 87438816, 95823360, 97154240, 109298520, 116585088, 131158224, 143735040, 145731360, 155446784, 163947780, 174877632, 194308480, 218597040, 233170176, 262316448, 287470080, 291462720, 327895560, 349755264, 388616960, 437194080, 466340352, 524632896, 582925440, 655791120, 699510528, 777233920, 874388160, 1049265792, 1165850880, 1311582240, 1399021056, 1748776320, 2098531584, 2331701760, 2623164480, 3497552640, 4197063168, 5246328960, 6995105280, 10492657920, 20985315840]

約数ペア:

[(1, 20985315840), (2, 10492657920), (3, 6995105280), (4, 5246328960), (5, 4197063168), (6, 3497552640), (8, 2623164480), (9, 2331701760), (10, 2098531584), (12, 1748776320), (15, 1399021056), (16, 1311582240), (18, 1165850880), (20, 1049265792), (24, 874388160), (27, 777233920), (30, 699510528), (32, 655791120), (36, 582925440), (40, 524632896), (45, 466340352), (48, 437194080), (54, 388616960), (60, 349755264), (64, 327895560), (72, 291462720), (73, 287470080), (80, 262316448), (90, 233170176), (96, 218597040), (108, 194308480), (120, 174877632), (128, 163947780), (135, 155446784), (144, 145731360), (146, 143735040), (160, 131158224), (180, 116585088), (192, 109298520), (216, 97154240), (219, 95823360), (240, 87438816), (256, 81973890), (270, 77723392), (288, 72865680), (292, 71867520), (320, 65579112), (360, 58292544), (365, 57494016), (384, 54649260), (432, 48577120), (438, 47911680), (480, 43719408), (512, 40986945), (540, 38861696), (576, 36432840), (584, 35933760), (640, 32789556), (657, 31941120), (720, 29146272), (730, 28747008), (768, 27324630), (864, 24288560), (876, 23955840), (960, 21859704), (1080, 19430848), (1095, 19164672), (1152, 18216420), (1168, 17966880), (1280, 16394778), (1314, 15970560), (1440, 14573136), (1460, 14373504), (1536, 13662315), (1728, 12144280), (1752, 11977920), (1920, 10929852), (1971, 10647040), (2160, 9715424), (2190, 9582336), (2304, 9108210), (2336, 8983440), (2560, 8197389), (2628, 7985280), (2880, 7286568), (2920, 7186752), (3285, 6388224), (3456, 6072140), (3504, 5988960), (3840, 5464926), (3942, 5323520), (4159, 5045760), (4320, 4857712), (4380, 4791168), (4608, 4554105), (4672, 4491720), (5256, 3992640), (5760, 3643284), (5840, 3593376), (6570, 3194112), (6912, 3036070), (7008, 2994480), (7680, 2732463), (7884, 2661760), (8318, 2522880), (8640, 2428856), (8760, 2395584), (9344, 2245860), (9855, 2129408), (10512, 1996320), (11520, 1821642), (11680, 1796688), (12477, 1681920), (13140, 1597056), (13824, 1518035), (14016, 1497240), (15768, 1330880), (16636, 1261440), (17280, 1214428), (17520, 1197792), (18688, 1122930), (19710, 1064704), (20795, 1009152), (21024, 998160), (23040, 910821), (23360, 898344), (24954, 840960), (26280, 798528), (28032, 748620), (31536, 665440), (33272, 630720), (34560, 607214), (35040, 598896), (37376, 561465), (37431, 560640), (39420, 532352), (41590, 504576), (42048, 499080), (46720, 449172), (49908, 420480), (52560, 399264), (56064, 374310), (62385, 336384), (63072, 332720), (66544, 315360), (69120, 303607), (70080, 299448), (74862, 280320), (78840, 266176), (83180, 252288), (84096, 249540), (93440, 224586), (99816, 210240), (105120, 199632), (112128, 187155), (112293, 186880), (124770, 168192), (126144, 166360), (133088, 157680), (140160, 149724)]