2481781120

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{991}}^1$

素因数の和:1073

約数の個数: 256

約数和(自身を含む): 7479521280

約数和(自身を除く): 4997740160

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 43, 52, 56, 64, 65, 70, 80, 86, 91, 104, 112, 128, 130, 140, 160, 172, 182, 208, 215, 224, 260, 280, 301, 320, 344, 364, 416, 430, 448, 455, 520, 559, 560, 602, 640, 688, 728, 832, 860, 896, 910, 991, 1040, 1118, 1120, 1204, 1376, 1456, 1505, 1664, 1720, 1820, 1982, 2080, 2236, 2240, 2408, 2752, 2795, 2912, 3010, 3440, 3640, 3913, 3964, 4160, 4472, 4480, 4816, 4955, 5504, 5590, 5824, 6020, 6880, 6937, 7280, 7826, 7928, 8320, 8944, 9632, 9910, 11180, 11648, 12040, 12883, 13760, 13874, 14560, 15652, 15856, 17888, 19264, 19565, 19820, 22360, 24080, 25766, 27520, 27748, 29120, 31304, 31712, 34685, 35776, 38528, 39130, 39640, 42613, 44720, 48160, 51532, 55496, 58240, 62608, 63424, 64415, 69370, 71552, 78260, 79280, 85226, 89440, 90181, 96320, 103064, 110992, 125216, 126848, 128830, 138740, 156520, 158560, 170452, 178880, 180362, 192640, 206128, 213065, 221984, 250432, 257660, 277480, 298291, 313040, 317120, 340904, 357760, 360724, 412256, 426130, 443968, 450905, 500864, 515320, 553969, 554960, 596582, 626080, 634240, 681808, 721448, 824512, 852260, 887936, 901810, 1030640, 1107938, 1109920, 1193164, 1252160, 1363616, 1442896, 1491455, 1649024, 1704520, 1803620, 2061280, 2215876, 2219840, 2386328, 2504320, 2727232, 2769845, 2885792, 2982910, 3409040, 3607240, 3877783, 4122560, 4431752, 4439680, 4772656, 5454464, 5539690, 5771584, 5965820, 6818080, 7214480, 7755566, 8245120, 8863504, 9545312, 11079380, 11543168, 11931640, 13636160, 14428960, 15511132, 17727008, 19090624, 19388915, 22158760, 23863280, 27272320, 28857920, 31022264, 35454016, 38181248, 38777830, 44317520, 47726560, 57715840, 62044528, 70908032, 77555660, 88635040, 95453120, 124089056, 155111320, 177270080, 190906240, 248178112, 310222640, 354540160, 496356224, 620445280, 1240890560, 2481781120]

約数ペア:

[(1, 2481781120), (2, 1240890560), (4, 620445280), (5, 496356224), (7, 354540160), (8, 310222640), (10, 248178112), (13, 190906240), (14, 177270080), (16, 155111320), (20, 124089056), (26, 95453120), (28, 88635040), (32, 77555660), (35, 70908032), (40, 62044528), (43, 57715840), (52, 47726560), (56, 44317520), (64, 38777830), (65, 38181248), (70, 35454016), (80, 31022264), (86, 28857920), (91, 27272320), (104, 23863280), (112, 22158760), (128, 19388915), (130, 19090624), (140, 17727008), (160, 15511132), (172, 14428960), (182, 13636160), (208, 11931640), (215, 11543168), (224, 11079380), (260, 9545312), (280, 8863504), (301, 8245120), (320, 7755566), (344, 7214480), (364, 6818080), (416, 5965820), (430, 5771584), (448, 5539690), (455, 5454464), (520, 4772656), (559, 4439680), (560, 4431752), (602, 4122560), (640, 3877783), (688, 3607240), (728, 3409040), (832, 2982910), (860, 2885792), (896, 2769845), (910, 2727232), (991, 2504320), (1040, 2386328), (1118, 2219840), (1120, 2215876), (1204, 2061280), (1376, 1803620), (1456, 1704520), (1505, 1649024), (1664, 1491455), (1720, 1442896), (1820, 1363616), (1982, 1252160), (2080, 1193164), (2236, 1109920), (2240, 1107938), (2408, 1030640), (2752, 901810), (2795, 887936), (2912, 852260), (3010, 824512), (3440, 721448), (3640, 681808), (3913, 634240), (3964, 626080), (4160, 596582), (4472, 554960), (4480, 553969), (4816, 515320), (4955, 500864), (5504, 450905), (5590, 443968), (5824, 426130), (6020, 412256), (6880, 360724), (6937, 357760), (7280, 340904), (7826, 317120), (7928, 313040), (8320, 298291), (8944, 277480), (9632, 257660), (9910, 250432), (11180, 221984), (11648, 213065), (12040, 206128), (12883, 192640), (13760, 180362), (13874, 178880), (14560, 170452), (15652, 158560), (15856, 156520), (17888, 138740), (19264, 128830), (19565, 126848), (19820, 125216), (22360, 110992), (24080, 103064), (25766, 96320), (27520, 90181), (27748, 89440), (29120, 85226), (31304, 79280), (31712, 78260), (34685, 71552), (35776, 69370), (38528, 64415), (39130, 63424), (39640, 62608), (42613, 58240), (44720, 55496), (48160, 51532)]