680568512

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{281}}^1$

素因数の和:418

約数の個数: 112

約数和(自身を含む): 1516221504

約数和(自身を除く): 835652992

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 41, 52, 64, 71, 82, 104, 142, 164, 208, 281, 284, 328, 416, 533, 562, 568, 656, 832, 923, 1066, 1124, 1136, 1312, 1846, 2132, 2248, 2272, 2624, 2911, 3653, 3692, 4264, 4496, 4544, 5822, 7306, 7384, 8528, 8992, 11521, 11644, 14612, 14768, 17056, 17984, 19951, 23042, 23288, 29224, 29536, 34112, 37843, 39902, 46084, 46576, 58448, 59072, 75686, 79804, 92168, 93152, 116896, 149773, 151372, 159608, 184336, 186304, 233792, 259363, 299546, 302744, 319216, 368672, 518726, 599092, 605488, 638432, 737344, 817991, 1037452, 1198184, 1210976, 1276864, 1635982, 2074904, 2396368, 2421952, 3271964, 4149808, 4792736, 6543928, 8299616, 9585472, 10633883, 13087856, 16599232, 21267766, 26175712, 42535532, 52351424, 85071064, 170142128, 340284256, 680568512]

約数ペア:

[(1, 680568512), (2, 340284256), (4, 170142128), (8, 85071064), (13, 52351424), (16, 42535532), (26, 26175712), (32, 21267766), (41, 16599232), (52, 13087856), (64, 10633883), (71, 9585472), (82, 8299616), (104, 6543928), (142, 4792736), (164, 4149808), (208, 3271964), (281, 2421952), (284, 2396368), (328, 2074904), (416, 1635982), (533, 1276864), (562, 1210976), (568, 1198184), (656, 1037452), (832, 817991), (923, 737344), (1066, 638432), (1124, 605488), (1136, 599092), (1312, 518726), (1846, 368672), (2132, 319216), (2248, 302744), (2272, 299546), (2624, 259363), (2911, 233792), (3653, 186304), (3692, 184336), (4264, 159608), (4496, 151372), (4544, 149773), (5822, 116896), (7306, 93152), (7384, 92168), (8528, 79804), (8992, 75686), (11521, 59072), (11644, 58448), (14612, 46576), (14768, 46084), (17056, 39902), (17984, 37843), (19951, 34112), (23042, 29536), (23288, 29224)]