68985280

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1$

素因数の和:163

約数の個数: 224

約数和(自身を含む): 213018624

約数和(自身を除く): 144033344

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 23, 26, 28, 32, 35, 40, 46, 52, 56, 64, 65, 70, 80, 91, 92, 103, 104, 112, 115, 130, 140, 160, 161, 182, 184, 206, 208, 224, 230, 260, 280, 299, 320, 322, 364, 368, 412, 416, 448, 455, 460, 515, 520, 560, 598, 644, 721, 728, 736, 805, 824, 832, 910, 920, 1030, 1040, 1120, 1196, 1288, 1339, 1442, 1456, 1472, 1495, 1610, 1648, 1820, 1840, 2060, 2080, 2093, 2240, 2369, 2392, 2576, 2678, 2884, 2912, 2990, 3220, 3296, 3605, 3640, 3680, 4120, 4160, 4186, 4738, 4784, 5152, 5356, 5768, 5824, 5980, 6440, 6592, 6695, 7210, 7280, 7360, 8240, 8372, 9373, 9476, 9568, 10304, 10465, 10712, 11536, 11845, 11960, 12880, 13390, 14420, 14560, 16480, 16583, 16744, 18746, 18952, 19136, 20930, 21424, 23072, 23690, 23920, 25760, 26780, 28840, 29120, 30797, 32960, 33166, 33488, 37492, 37904, 41860, 42848, 46144, 46865, 47380, 47840, 51520, 53560, 57680, 61594, 66332, 66976, 74984, 75808, 82915, 83720, 85696, 93730, 94760, 95680, 107120, 115360, 123188, 132664, 133952, 149968, 151616, 153985, 165830, 167440, 187460, 189520, 214240, 215579, 230720, 246376, 265328, 299936, 307970, 331660, 334880, 374920, 379040, 428480, 431158, 492752, 530656, 599872, 615940, 663320, 669760, 749840, 758080, 862316, 985504, 1061312, 1077895, 1231880, 1326640, 1499680, 1724632, 1971008, 2155790, 2463760, 2653280, 2999360, 3449264, 4311580, 4927520, 5306560, 6898528, 8623160, 9855040, 13797056, 17246320, 34492640, 68985280]

約数ペア:

[(1, 68985280), (2, 34492640), (4, 17246320), (5, 13797056), (7, 9855040), (8, 8623160), (10, 6898528), (13, 5306560), (14, 4927520), (16, 4311580), (20, 3449264), (23, 2999360), (26, 2653280), (28, 2463760), (32, 2155790), (35, 1971008), (40, 1724632), (46, 1499680), (52, 1326640), (56, 1231880), (64, 1077895), (65, 1061312), (70, 985504), (80, 862316), (91, 758080), (92, 749840), (103, 669760), (104, 663320), (112, 615940), (115, 599872), (130, 530656), (140, 492752), (160, 431158), (161, 428480), (182, 379040), (184, 374920), (206, 334880), (208, 331660), (224, 307970), (230, 299936), (260, 265328), (280, 246376), (299, 230720), (320, 215579), (322, 214240), (364, 189520), (368, 187460), (412, 167440), (416, 165830), (448, 153985), (455, 151616), (460, 149968), (515, 133952), (520, 132664), (560, 123188), (598, 115360), (644, 107120), (721, 95680), (728, 94760), (736, 93730), (805, 85696), (824, 83720), (832, 82915), (910, 75808), (920, 74984), (1030, 66976), (1040, 66332), (1120, 61594), (1196, 57680), (1288, 53560), (1339, 51520), (1442, 47840), (1456, 47380), (1472, 46865), (1495, 46144), (1610, 42848), (1648, 41860), (1820, 37904), (1840, 37492), (2060, 33488), (2080, 33166), (2093, 32960), (2240, 30797), (2369, 29120), (2392, 28840), (2576, 26780), (2678, 25760), (2884, 23920), (2912, 23690), (2990, 23072), (3220, 21424), (3296, 20930), (3605, 19136), (3640, 18952), (3680, 18746), (4120, 16744), (4160, 16583), (4186, 16480), (4738, 14560), (4784, 14420), (5152, 13390), (5356, 12880), (5768, 11960), (5824, 11845), (5980, 11536), (6440, 10712), (6592, 10465), (6695, 10304), (7210, 9568), (7280, 9476), (7360, 9373), (8240, 8372)]