20845440

素因数分解:

$2^7\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1$

素因数の和:90

約数の個数: 384

約数和(自身を含む): 91653120

約数和(自身を除く): 70807680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 18, 20, 21, 22, 24, 28, 30, 32, 33, 35, 36, 40, 42, 44, 45, 47, 48, 55, 56, 60, 63, 64, 66, 70, 72, 77, 80, 84, 88, 90, 94, 96, 99, 105, 110, 112, 120, 126, 128, 132, 140, 141, 144, 154, 160, 165, 168, 176, 180, 188, 192, 198, 210, 220, 224, 231, 235, 240, 252, 264, 280, 282, 288, 308, 315, 320, 329, 330, 336, 352, 360, 376, 384, 385, 396, 420, 423, 440, 448, 462, 470, 480, 495, 504, 517, 528, 560, 564, 576, 616, 630, 640, 658, 660, 672, 693, 704, 705, 720, 752, 770, 792, 840, 846, 880, 896, 924, 940, 960, 987, 990, 1008, 1034, 1056, 1120, 1128, 1152, 1155, 1232, 1260, 1316, 1320, 1344, 1386, 1408, 1410, 1440, 1504, 1540, 1551, 1584, 1645, 1680, 1692, 1760, 1848, 1880, 1920, 1974, 1980, 2016, 2068, 2112, 2115, 2240, 2256, 2310, 2464, 2520, 2585, 2632, 2640, 2688, 2772, 2820, 2880, 2961, 3008, 3080, 3102, 3168, 3290, 3360, 3384, 3465, 3520, 3619, 3696, 3760, 3948, 3960, 4032, 4136, 4224, 4230, 4480, 4512, 4620, 4653, 4928, 4935, 5040, 5170, 5264, 5280, 5544, 5640, 5760, 5922, 6016, 6160, 6204, 6336, 6580, 6720, 6768, 6930, 7040, 7238, 7392, 7520, 7755, 7896, 7920, 8064, 8272, 8460, 9024, 9240, 9306, 9856, 9870, 10080, 10340, 10528, 10560, 10857, 11088, 11280, 11844, 12320, 12408, 12672, 13160, 13440, 13536, 13860, 14476, 14784, 14805, 15040, 15510, 15792, 15840, 16544, 16920, 18048, 18095, 18480, 18612, 19740, 20160, 20680, 21056, 21120, 21714, 22176, 22560, 23265, 23688, 24640, 24816, 26320, 27072, 27720, 28952, 29568, 29610, 30080, 31020, 31584, 31680, 32571, 33088, 33840, 36190, 36960, 37224, 39480, 40320, 41360, 42112, 43428, 44352, 45120, 46530, 47376, 49280, 49632, 52640, 54144, 54285, 55440, 57904, 59220, 62040, 63168, 63360, 65142, 66176, 67680, 72380, 73920, 74448, 78960, 82720, 86856, 88704, 90240, 93060, 94752, 99264, 105280, 108570, 110880, 115808, 118440, 124080, 126336, 130284, 135360, 144760, 147840, 148896, 157920, 162855, 165440, 173712, 186120, 189504, 198528, 210560, 217140, 221760, 231616, 236880, 248160, 260568, 270720, 289520, 297792, 315840, 325710, 330880, 347424, 372240, 379008, 434280, 443520, 463232, 473760, 496320, 521136, 579040, 595584, 631680, 651420, 694848, 744480, 868560, 947520, 992640, 1042272, 1158080, 1302840, 1389696, 1488960, 1737120, 1895040, 2084544, 2316160, 2605680, 2977920, 3474240, 4169088, 5211360, 6948480, 10422720, 20845440]

約数ペア:

[(1, 20845440), (2, 10422720), (3, 6948480), (4, 5211360), (5, 4169088), (6, 3474240), (7, 2977920), (8, 2605680), (9, 2316160), (10, 2084544), (11, 1895040), (12, 1737120), (14, 1488960), (15, 1389696), (16, 1302840), (18, 1158080), (20, 1042272), (21, 992640), (22, 947520), (24, 868560), (28, 744480), (30, 694848), (32, 651420), (33, 631680), (35, 595584), (36, 579040), (40, 521136), (42, 496320), (44, 473760), (45, 463232), (47, 443520), (48, 434280), (55, 379008), (56, 372240), (60, 347424), (63, 330880), (64, 325710), (66, 315840), (70, 297792), (72, 289520), (77, 270720), (80, 260568), (84, 248160), (88, 236880), (90, 231616), (94, 221760), (96, 217140), (99, 210560), (105, 198528), (110, 189504), (112, 186120), (120, 173712), (126, 165440), (128, 162855), (132, 157920), (140, 148896), (141, 147840), (144, 144760), (154, 135360), (160, 130284), (165, 126336), (168, 124080), (176, 118440), (180, 115808), (188, 110880), (192, 108570), (198, 105280), (210, 99264), (220, 94752), (224, 93060), (231, 90240), (235, 88704), (240, 86856), (252, 82720), (264, 78960), (280, 74448), (282, 73920), (288, 72380), (308, 67680), (315, 66176), (320, 65142), (329, 63360), (330, 63168), (336, 62040), (352, 59220), (360, 57904), (376, 55440), (384, 54285), (385, 54144), (396, 52640), (420, 49632), (423, 49280), (440, 47376), (448, 46530), (462, 45120), (470, 44352), (480, 43428), (495, 42112), (504, 41360), (517, 40320), (528, 39480), (560, 37224), (564, 36960), (576, 36190), (616, 33840), (630, 33088), (640, 32571), (658, 31680), (660, 31584), (672, 31020), (693, 30080), (704, 29610), (705, 29568), (720, 28952), (752, 27720), (770, 27072), (792, 26320), (840, 24816), (846, 24640), (880, 23688), (896, 23265), (924, 22560), (940, 22176), (960, 21714), (987, 21120), (990, 21056), (1008, 20680), (1034, 20160), (1056, 19740), (1120, 18612), (1128, 18480), (1152, 18095), (1155, 18048), (1232, 16920), (1260, 16544), (1316, 15840), (1320, 15792), (1344, 15510), (1386, 15040), (1408, 14805), (1410, 14784), (1440, 14476), (1504, 13860), (1540, 13536), (1551, 13440), (1584, 13160), (1645, 12672), (1680, 12408), (1692, 12320), (1760, 11844), (1848, 11280), (1880, 11088), (1920, 10857), (1974, 10560), (1980, 10528), (2016, 10340), (2068, 10080), (2112, 9870), (2115, 9856), (2240, 9306), (2256, 9240), (2310, 9024), (2464, 8460), (2520, 8272), (2585, 8064), (2632, 7920), (2640, 7896), (2688, 7755), (2772, 7520), (2820, 7392), (2880, 7238), (2961, 7040), (3008, 6930), (3080, 6768), (3102, 6720), (3168, 6580), (3290, 6336), (3360, 6204), (3384, 6160), (3465, 6016), (3520, 5922), (3619, 5760), (3696, 5640), (3760, 5544), (3948, 5280), (3960, 5264), (4032, 5170), (4136, 5040), (4224, 4935), (4230, 4928), (4480, 4653), (4512, 4620)]