681218304

素因数分解:

$2^8\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{71}}^1$

素因数の和:165

約数の個数: 216

約数和(自身を含む): 2045929536

約数和(自身を除く): 1364711232

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 32, 39, 48, 52, 62, 64, 71, 78, 93, 96, 104, 124, 128, 142, 156, 186, 192, 208, 213, 248, 256, 284, 312, 372, 384, 403, 416, 426, 496, 568, 624, 744, 768, 806, 832, 852, 923, 961, 992, 1136, 1209, 1248, 1488, 1612, 1664, 1704, 1846, 1922, 1984, 2201, 2272, 2418, 2496, 2769, 2883, 2976, 3224, 3328, 3408, 3692, 3844, 3968, 4402, 4544, 4836, 4992, 5538, 5766, 5952, 6448, 6603, 6816, 7384, 7688, 7936, 8804, 9088, 9672, 9984, 11076, 11532, 11904, 12493, 12896, 13206, 13632, 14768, 15376, 17608, 18176, 19344, 22152, 23064, 23808, 24986, 25792, 26412, 27264, 28613, 29536, 30752, 35216, 37479, 38688, 44304, 46128, 49972, 51584, 52824, 54528, 57226, 59072, 61504, 68231, 70432, 74958, 77376, 85839, 88608, 92256, 99944, 103168, 105648, 114452, 118144, 123008, 136462, 140864, 149916, 154752, 171678, 177216, 184512, 199888, 204693, 211296, 228904, 236288, 246016, 272924, 281728, 299832, 309504, 343356, 354432, 369024, 399776, 409386, 422592, 457808, 545848, 563456, 599664, 686712, 708864, 738048, 799552, 818772, 845184, 887003, 915616, 1091696, 1199328, 1373424, 1599104, 1637544, 1690368, 1774006, 1831232, 2183392, 2398656, 2661009, 2746848, 3198208, 3275088, 3548012, 3662464, 4366784, 4797312, 5322018, 5493696, 6550176, 7096024, 7324928, 8733568, 9594624, 10644036, 10987392, 13100352, 14192048, 17467136, 21288072, 21974784, 26200704, 28384096, 42576144, 52401408, 56768192, 85152288, 113536384, 170304576, 227072768, 340609152, 681218304]

約数ペア:

[(1, 681218304), (2, 340609152), (3, 227072768), (4, 170304576), (6, 113536384), (8, 85152288), (12, 56768192), (13, 52401408), (16, 42576144), (24, 28384096), (26, 26200704), (31, 21974784), (32, 21288072), (39, 17467136), (48, 14192048), (52, 13100352), (62, 10987392), (64, 10644036), (71, 9594624), (78, 8733568), (93, 7324928), (96, 7096024), (104, 6550176), (124, 5493696), (128, 5322018), (142, 4797312), (156, 4366784), (186, 3662464), (192, 3548012), (208, 3275088), (213, 3198208), (248, 2746848), (256, 2661009), (284, 2398656), (312, 2183392), (372, 1831232), (384, 1774006), (403, 1690368), (416, 1637544), (426, 1599104), (496, 1373424), (568, 1199328), (624, 1091696), (744, 915616), (768, 887003), (806, 845184), (832, 818772), (852, 799552), (923, 738048), (961, 708864), (992, 686712), (1136, 599664), (1209, 563456), (1248, 545848), (1488, 457808), (1612, 422592), (1664, 409386), (1704, 399776), (1846, 369024), (1922, 354432), (1984, 343356), (2201, 309504), (2272, 299832), (2418, 281728), (2496, 272924), (2769, 246016), (2883, 236288), (2976, 228904), (3224, 211296), (3328, 204693), (3408, 199888), (3692, 184512), (3844, 177216), (3968, 171678), (4402, 154752), (4544, 149916), (4836, 140864), (4992, 136462), (5538, 123008), (5766, 118144), (5952, 114452), (6448, 105648), (6603, 103168), (6816, 99944), (7384, 92256), (7688, 88608), (7936, 85839), (8804, 77376), (9088, 74958), (9672, 70432), (9984, 68231), (11076, 61504), (11532, 59072), (11904, 57226), (12493, 54528), (12896, 52824), (13206, 51584), (13632, 49972), (14768, 46128), (15376, 44304), (17608, 38688), (18176, 37479), (19344, 35216), (22152, 30752), (23064, 29536), (23808, 28613), (24986, 27264), (25792, 26412)]