668567808

素因数分解:

$2^8\times 3^2\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:221

約数の個数: 216

約数和(自身を含む): 2016495936

約数和(自身を除く): 1347928128

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 61, 64, 67, 71, 72, 96, 122, 128, 134, 142, 144, 183, 192, 201, 213, 244, 256, 268, 284, 288, 366, 384, 402, 426, 488, 536, 549, 568, 576, 603, 639, 732, 768, 804, 852, 976, 1072, 1098, 1136, 1152, 1206, 1278, 1464, 1608, 1704, 1952, 2144, 2196, 2272, 2304, 2412, 2556, 2928, 3216, 3408, 3904, 4087, 4288, 4331, 4392, 4544, 4757, 4824, 5112, 5856, 6432, 6816, 7808, 8174, 8576, 8662, 8784, 9088, 9514, 9648, 10224, 11712, 12261, 12864, 12993, 13632, 14271, 15616, 16348, 17152, 17324, 17568, 18176, 19028, 19296, 20448, 23424, 24522, 25728, 25986, 27264, 28542, 32696, 34648, 35136, 36783, 38056, 38592, 38979, 40896, 42813, 46848, 49044, 51456, 51972, 54528, 57084, 65392, 69296, 70272, 73566, 76112, 77184, 77958, 81792, 85626, 98088, 103944, 114168, 130784, 138592, 140544, 147132, 152224, 154368, 155916, 163584, 171252, 196176, 207888, 228336, 261568, 277184, 290177, 294264, 304448, 311832, 342504, 392352, 415776, 456672, 523136, 554368, 580354, 588528, 608896, 623664, 685008, 784704, 831552, 870531, 913344, 1046272, 1108736, 1160708, 1177056, 1217792, 1247328, 1370016, 1569408, 1663104, 1741062, 1826688, 2321416, 2354112, 2494656, 2611593, 2740032, 3138816, 3326208, 3482124, 3653376, 4642832, 4708224, 4989312, 5223186, 5480064, 6964248, 9285664, 9416448, 9978624, 10446372, 10960128, 13928496, 18571328, 20892744, 27856992, 37142656, 41785488, 55713984, 74285312, 83570976, 111427968, 167141952, 222855936, 334283904, 668567808]

約数ペア:

[(1, 668567808), (2, 334283904), (3, 222855936), (4, 167141952), (6, 111427968), (8, 83570976), (9, 74285312), (12, 55713984), (16, 41785488), (18, 37142656), (24, 27856992), (32, 20892744), (36, 18571328), (48, 13928496), (61, 10960128), (64, 10446372), (67, 9978624), (71, 9416448), (72, 9285664), (96, 6964248), (122, 5480064), (128, 5223186), (134, 4989312), (142, 4708224), (144, 4642832), (183, 3653376), (192, 3482124), (201, 3326208), (213, 3138816), (244, 2740032), (256, 2611593), (268, 2494656), (284, 2354112), (288, 2321416), (366, 1826688), (384, 1741062), (402, 1663104), (426, 1569408), (488, 1370016), (536, 1247328), (549, 1217792), (568, 1177056), (576, 1160708), (603, 1108736), (639, 1046272), (732, 913344), (768, 870531), (804, 831552), (852, 784704), (976, 685008), (1072, 623664), (1098, 608896), (1136, 588528), (1152, 580354), (1206, 554368), (1278, 523136), (1464, 456672), (1608, 415776), (1704, 392352), (1952, 342504), (2144, 311832), (2196, 304448), (2272, 294264), (2304, 290177), (2412, 277184), (2556, 261568), (2928, 228336), (3216, 207888), (3408, 196176), (3904, 171252), (4087, 163584), (4288, 155916), (4331, 154368), (4392, 152224), (4544, 147132), (4757, 140544), (4824, 138592), (5112, 130784), (5856, 114168), (6432, 103944), (6816, 98088), (7808, 85626), (8174, 81792), (8576, 77958), (8662, 77184), (8784, 76112), (9088, 73566), (9514, 70272), (9648, 69296), (10224, 65392), (11712, 57084), (12261, 54528), (12864, 51972), (12993, 51456), (13632, 49044), (14271, 46848), (15616, 42813), (16348, 40896), (17152, 38979), (17324, 38592), (17568, 38056), (18176, 36783), (19028, 35136), (19296, 34648), (20448, 32696), (23424, 28542), (24522, 27264), (25728, 25986)]