81404160

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1$

素因数の和:113

約数の個数: 288

約数和(自身を含む): 291392640

約数和(自身を除く): 209988480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 29, 30, 32, 34, 40, 43, 48, 51, 58, 60, 64, 68, 80, 85, 86, 87, 96, 102, 116, 120, 128, 129, 136, 145, 160, 170, 172, 174, 192, 204, 215, 232, 240, 255, 256, 258, 272, 290, 320, 340, 344, 348, 384, 408, 430, 435, 464, 480, 493, 510, 516, 544, 580, 640, 645, 680, 688, 696, 731, 768, 816, 860, 870, 928, 960, 986, 1020, 1032, 1088, 1160, 1247, 1280, 1290, 1360, 1376, 1392, 1462, 1479, 1632, 1720, 1740, 1856, 1920, 1972, 2040, 2064, 2176, 2193, 2320, 2465, 2494, 2580, 2720, 2752, 2784, 2924, 2958, 3264, 3440, 3480, 3655, 3712, 3741, 3840, 3944, 4080, 4128, 4352, 4386, 4640, 4930, 4988, 5160, 5440, 5504, 5568, 5848, 5916, 6235, 6528, 6880, 6960, 7310, 7395, 7424, 7482, 7888, 8160, 8256, 8772, 9280, 9860, 9976, 10320, 10880, 10965, 11008, 11136, 11696, 11832, 12470, 13056, 13760, 13920, 14620, 14790, 14964, 15776, 16320, 16512, 17544, 18560, 18705, 19720, 19952, 20640, 21199, 21760, 21930, 22272, 23392, 23664, 24940, 27520, 27840, 29240, 29580, 29928, 31552, 32640, 33024, 35088, 37120, 37410, 39440, 39904, 41280, 42398, 43860, 46784, 47328, 49880, 55040, 55680, 58480, 59160, 59856, 63104, 63597, 65280, 70176, 74820, 78880, 79808, 82560, 84796, 87720, 93568, 94656, 99760, 105995, 111360, 116960, 118320, 119712, 126208, 127194, 140352, 149640, 157760, 159616, 165120, 169592, 175440, 187136, 189312, 199520, 211990, 233920, 236640, 239424, 254388, 280704, 299280, 315520, 317985, 319232, 339184, 350880, 378624, 399040, 423980, 467840, 473280, 478848, 508776, 561408, 598560, 631040, 635970, 678368, 701760, 798080, 847960, 935680, 946560, 957696, 1017552, 1197120, 1271940, 1356736, 1403520, 1596160, 1695920, 1893120, 2035104, 2394240, 2543880, 2713472, 2807040, 3391840, 4070208, 4788480, 5087760, 5426944, 6783680, 8140416, 10175520, 13567360, 16280832, 20351040, 27134720, 40702080, 81404160]

約数ペア:

[(1, 81404160), (2, 40702080), (3, 27134720), (4, 20351040), (5, 16280832), (6, 13567360), (8, 10175520), (10, 8140416), (12, 6783680), (15, 5426944), (16, 5087760), (17, 4788480), (20, 4070208), (24, 3391840), (29, 2807040), (30, 2713472), (32, 2543880), (34, 2394240), (40, 2035104), (43, 1893120), (48, 1695920), (51, 1596160), (58, 1403520), (60, 1356736), (64, 1271940), (68, 1197120), (80, 1017552), (85, 957696), (86, 946560), (87, 935680), (96, 847960), (102, 798080), (116, 701760), (120, 678368), (128, 635970), (129, 631040), (136, 598560), (145, 561408), (160, 508776), (170, 478848), (172, 473280), (174, 467840), (192, 423980), (204, 399040), (215, 378624), (232, 350880), (240, 339184), (255, 319232), (256, 317985), (258, 315520), (272, 299280), (290, 280704), (320, 254388), (340, 239424), (344, 236640), (348, 233920), (384, 211990), (408, 199520), (430, 189312), (435, 187136), (464, 175440), (480, 169592), (493, 165120), (510, 159616), (516, 157760), (544, 149640), (580, 140352), (640, 127194), (645, 126208), (680, 119712), (688, 118320), (696, 116960), (731, 111360), (768, 105995), (816, 99760), (860, 94656), (870, 93568), (928, 87720), (960, 84796), (986, 82560), (1020, 79808), (1032, 78880), (1088, 74820), (1160, 70176), (1247, 65280), (1280, 63597), (1290, 63104), (1360, 59856), (1376, 59160), (1392, 58480), (1462, 55680), (1479, 55040), (1632, 49880), (1720, 47328), (1740, 46784), (1856, 43860), (1920, 42398), (1972, 41280), (2040, 39904), (2064, 39440), (2176, 37410), (2193, 37120), (2320, 35088), (2465, 33024), (2494, 32640), (2580, 31552), (2720, 29928), (2752, 29580), (2784, 29240), (2924, 27840), (2958, 27520), (3264, 24940), (3440, 23664), (3480, 23392), (3655, 22272), (3712, 21930), (3741, 21760), (3840, 21199), (3944, 20640), (4080, 19952), (4128, 19720), (4352, 18705), (4386, 18560), (4640, 17544), (4930, 16512), (4988, 16320), (5160, 15776), (5440, 14964), (5504, 14790), (5568, 14620), (5848, 13920), (5916, 13760), (6235, 13056), (6528, 12470), (6880, 11832), (6960, 11696), (7310, 11136), (7395, 11008), (7424, 10965), (7482, 10880), (7888, 10320), (8160, 9976), (8256, 9860), (8772, 9280)]