20781607680

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{1913}}^1$

素因数の和:2004

約数の個数: 432

約数和(自身を含む): 76898517696

約数和(自身を除く): 56116910016

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 32, 36, 40, 41, 45, 46, 48, 60, 64, 69, 72, 80, 82, 90, 92, 96, 115, 120, 123, 128, 138, 144, 160, 164, 180, 184, 192, 205, 207, 230, 240, 246, 256, 276, 288, 320, 328, 345, 360, 368, 369, 384, 410, 414, 460, 480, 492, 552, 576, 615, 640, 656, 690, 720, 736, 738, 768, 820, 828, 920, 943, 960, 984, 1035, 1104, 1152, 1230, 1280, 1312, 1380, 1440, 1472, 1476, 1640, 1656, 1840, 1845, 1886, 1913, 1920, 1968, 2070, 2208, 2304, 2460, 2624, 2760, 2829, 2880, 2944, 2952, 3280, 3312, 3680, 3690, 3772, 3826, 3840, 3936, 4140, 4416, 4715, 4920, 5248, 5520, 5658, 5739, 5760, 5888, 5904, 6560, 6624, 7360, 7380, 7544, 7652, 7872, 8280, 8487, 8832, 9430, 9565, 9840, 10496, 11040, 11316, 11478, 11520, 11808, 13120, 13248, 14145, 14720, 14760, 15088, 15304, 15744, 16560, 16974, 17217, 17664, 18860, 19130, 19680, 22080, 22632, 22956, 23616, 26240, 26496, 28290, 28695, 29440, 29520, 30176, 30608, 31488, 33120, 33948, 34434, 37720, 38260, 39360, 42435, 43999, 44160, 45264, 45912, 47232, 52480, 52992, 56580, 57390, 59040, 60352, 61216, 66240, 67896, 68868, 75440, 76520, 78433, 78720, 84870, 86085, 87998, 88320, 90528, 91824, 94464, 113160, 114780, 118080, 120704, 122432, 131997, 132480, 135792, 137736, 150880, 153040, 156866, 157440, 169740, 172170, 175996, 181056, 183648, 219995, 226320, 229560, 235299, 236160, 241408, 244864, 263994, 264960, 271584, 275472, 301760, 306080, 313732, 339480, 344340, 351992, 362112, 367296, 392165, 395991, 439990, 452640, 459120, 470598, 472320, 489728, 527988, 543168, 550944, 603520, 612160, 627464, 659985, 678960, 688680, 703984, 705897, 724224, 734592, 784330, 791982, 879980, 905280, 918240, 941196, 1055976, 1086336, 1101888, 1176495, 1207040, 1224320, 1254928, 1319970, 1357920, 1377360, 1407968, 1411794, 1469184, 1568660, 1583964, 1759960, 1803959, 1810560, 1836480, 1882392, 1979955, 2111952, 2172672, 2203776, 2352990, 2448640, 2509856, 2639940, 2715840, 2754720, 2815936, 2823588, 3137320, 3167928, 3519920, 3529485, 3607918, 3621120, 3672960, 3764784, 3959910, 4223904, 4407552, 4705980, 5019712, 5279880, 5411877, 5431680, 5509440, 5631872, 5647176, 6274640, 6335856, 7039840, 7058970, 7215836, 7345920, 7529568, 7919820, 8447808, 9019795, 9411960, 10039424, 10559760, 10823754, 10863360, 11018880, 11263744, 11294352, 12549280, 12671712, 14079680, 14117940, 14431672, 15059136, 15839640, 16235631, 16895616, 18039590, 18823920, 20078848, 21119520, 21647508, 22037760, 22588704, 25098560, 25343424, 27059385, 28159360, 28235880, 28863344, 30118272, 31679280, 32471262, 33791232, 36079180, 37647840, 42239040, 43295016, 45177408, 50197120, 50686848, 54118770, 56318720, 56471760, 57726688, 60236544, 63358560, 64942524, 72158360, 75295680, 81178155, 84478080, 86590032, 90354816, 100394240, 101373696, 108237540, 112943520, 115453376, 126717120, 129885048, 144316720, 150591360, 162356310, 168956160, 173180064, 180709632, 216475080, 225887040, 230906752, 253434240, 259770096, 288633440, 301182720, 324712620, 346360128, 432950160, 451774080, 461813504, 506868480, 519540192, 577266880, 649425240, 692720256, 865900320, 903548160, 1039080384, 1154533760, 1298850480, 1385440512, 1731800640, 2078160768, 2309067520, 2597700960, 3463601280, 4156321536, 5195401920, 6927202560, 10390803840, 20781607680]

約数ペア:

[(1, 20781607680), (2, 10390803840), (3, 6927202560), (4, 5195401920), (5, 4156321536), (6, 3463601280), (8, 2597700960), (9, 2309067520), (10, 2078160768), (12, 1731800640), (15, 1385440512), (16, 1298850480), (18, 1154533760), (20, 1039080384), (23, 903548160), (24, 865900320), (30, 692720256), (32, 649425240), (36, 577266880), (40, 519540192), (41, 506868480), (45, 461813504), (46, 451774080), (48, 432950160), (60, 346360128), (64, 324712620), (69, 301182720), (72, 288633440), (80, 259770096), (82, 253434240), (90, 230906752), (92, 225887040), (96, 216475080), (115, 180709632), (120, 173180064), (123, 168956160), (128, 162356310), (138, 150591360), (144, 144316720), (160, 129885048), (164, 126717120), (180, 115453376), (184, 112943520), (192, 108237540), (205, 101373696), (207, 100394240), (230, 90354816), (240, 86590032), (246, 84478080), (256, 81178155), (276, 75295680), (288, 72158360), (320, 64942524), (328, 63358560), (345, 60236544), (360, 57726688), (368, 56471760), (369, 56318720), (384, 54118770), (410, 50686848), (414, 50197120), (460, 45177408), (480, 43295016), (492, 42239040), (552, 37647840), (576, 36079180), (615, 33791232), (640, 32471262), (656, 31679280), (690, 30118272), (720, 28863344), (736, 28235880), (738, 28159360), (768, 27059385), (820, 25343424), (828, 25098560), (920, 22588704), (943, 22037760), (960, 21647508), (984, 21119520), (1035, 20078848), (1104, 18823920), (1152, 18039590), (1230, 16895616), (1280, 16235631), (1312, 15839640), (1380, 15059136), (1440, 14431672), (1472, 14117940), (1476, 14079680), (1640, 12671712), (1656, 12549280), (1840, 11294352), (1845, 11263744), (1886, 11018880), (1913, 10863360), (1920, 10823754), (1968, 10559760), (2070, 10039424), (2208, 9411960), (2304, 9019795), (2460, 8447808), (2624, 7919820), (2760, 7529568), (2829, 7345920), (2880, 7215836), (2944, 7058970), (2952, 7039840), (3280, 6335856), (3312, 6274640), (3680, 5647176), (3690, 5631872), (3772, 5509440), (3826, 5431680), (3840, 5411877), (3936, 5279880), (4140, 5019712), (4416, 4705980), (4715, 4407552), (4920, 4223904), (5248, 3959910), (5520, 3764784), (5658, 3672960), (5739, 3621120), (5760, 3607918), (5888, 3529485), (5904, 3519920), (6560, 3167928), (6624, 3137320), (7360, 2823588), (7380, 2815936), (7544, 2754720), (7652, 2715840), (7872, 2639940), (8280, 2509856), (8487, 2448640), (8832, 2352990), (9430, 2203776), (9565, 2172672), (9840, 2111952), (10496, 1979955), (11040, 1882392), (11316, 1836480), (11478, 1810560), (11520, 1803959), (11808, 1759960), (13120, 1583964), (13248, 1568660), (14145, 1469184), (14720, 1411794), (14760, 1407968), (15088, 1377360), (15304, 1357920), (15744, 1319970), (16560, 1254928), (16974, 1224320), (17217, 1207040), (17664, 1176495), (18860, 1101888), (19130, 1086336), (19680, 1055976), (22080, 941196), (22632, 918240), (22956, 905280), (23616, 879980), (26240, 791982), (26496, 784330), (28290, 734592), (28695, 724224), (29440, 705897), (29520, 703984), (30176, 688680), (30608, 678960), (31488, 659985), (33120, 627464), (33948, 612160), (34434, 603520), (37720, 550944), (38260, 543168), (39360, 527988), (42435, 489728), (43999, 472320), (44160, 470598), (45264, 459120), (45912, 452640), (47232, 439990), (52480, 395991), (52992, 392165), (56580, 367296), (57390, 362112), (59040, 351992), (60352, 344340), (61216, 339480), (66240, 313732), (67896, 306080), (68868, 301760), (75440, 275472), (76520, 271584), (78433, 264960), (78720, 263994), (84870, 244864), (86085, 241408), (87998, 236160), (88320, 235299), (90528, 229560), (91824, 226320), (94464, 219995), (113160, 183648), (114780, 181056), (118080, 175996), (120704, 172170), (122432, 169740), (131997, 157440), (132480, 156866), (135792, 153040), (137736, 150880)]