643993280

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{613}}^1$

素因数の和:711

約数の個数: 168

約数和(自身を含む): 1813456368

約数和(自身を除く): 1169463088

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 67, 70, 80, 98, 112, 134, 140, 160, 196, 224, 245, 268, 280, 320, 335, 392, 448, 469, 490, 536, 560, 613, 670, 784, 938, 980, 1072, 1120, 1226, 1340, 1568, 1876, 1960, 2144, 2240, 2345, 2452, 2680, 3065, 3136, 3283, 3752, 3920, 4288, 4291, 4690, 4904, 5360, 6130, 6566, 7504, 7840, 8582, 9380, 9808, 10720, 12260, 13132, 15008, 15680, 16415, 17164, 18760, 19616, 21440, 21455, 24520, 26264, 30016, 30037, 32830, 34328, 37520, 39232, 41071, 42910, 49040, 52528, 60074, 65660, 68656, 75040, 82142, 85820, 98080, 105056, 120148, 131320, 137312, 150080, 150185, 164284, 171640, 196160, 205355, 210112, 240296, 262640, 274624, 287497, 300370, 328568, 343280, 410710, 480592, 525280, 574994, 600740, 657136, 686560, 821420, 961184, 1050560, 1149988, 1201480, 1314272, 1373120, 1437485, 1642840, 1922368, 2012479, 2299976, 2402960, 2628544, 2874970, 3285680, 4024958, 4599952, 4805920, 5749940, 6571360, 8049916, 9199904, 9611840, 10062395, 11499880, 13142720, 16099832, 18399808, 20124790, 22999760, 32199664, 40249580, 45999520, 64399328, 80499160, 91999040, 128798656, 160998320, 321996640, 643993280]

約数ペア:

[(1, 643993280), (2, 321996640), (4, 160998320), (5, 128798656), (7, 91999040), (8, 80499160), (10, 64399328), (14, 45999520), (16, 40249580), (20, 32199664), (28, 22999760), (32, 20124790), (35, 18399808), (40, 16099832), (49, 13142720), (56, 11499880), (64, 10062395), (67, 9611840), (70, 9199904), (80, 8049916), (98, 6571360), (112, 5749940), (134, 4805920), (140, 4599952), (160, 4024958), (196, 3285680), (224, 2874970), (245, 2628544), (268, 2402960), (280, 2299976), (320, 2012479), (335, 1922368), (392, 1642840), (448, 1437485), (469, 1373120), (490, 1314272), (536, 1201480), (560, 1149988), (613, 1050560), (670, 961184), (784, 821420), (938, 686560), (980, 657136), (1072, 600740), (1120, 574994), (1226, 525280), (1340, 480592), (1568, 410710), (1876, 343280), (1960, 328568), (2144, 300370), (2240, 287497), (2345, 274624), (2452, 262640), (2680, 240296), (3065, 210112), (3136, 205355), (3283, 196160), (3752, 171640), (3920, 164284), (4288, 150185), (4291, 150080), (4690, 137312), (4904, 131320), (5360, 120148), (6130, 105056), (6566, 98080), (7504, 85820), (7840, 82142), (8582, 75040), (9380, 68656), (9808, 65660), (10720, 60074), (12260, 52528), (13132, 49040), (15008, 42910), (15680, 41071), (16415, 39232), (17164, 37520), (18760, 34328), (19616, 32830), (21440, 30037), (21455, 30016), (24520, 26264)]