680857216

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{197}}^1$

素因数の和:322

約数の個数: 128

約数和(自身を含む): 1538127360

約数和(自身を除く): 857270144

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 67, 104, 124, 128, 134, 197, 208, 248, 268, 394, 403, 416, 496, 536, 788, 806, 832, 871, 992, 1072, 1576, 1612, 1664, 1742, 1984, 2077, 2144, 2561, 3152, 3224, 3484, 3968, 4154, 4288, 5122, 6107, 6304, 6448, 6968, 8308, 8576, 10244, 12214, 12608, 12896, 13199, 13936, 16616, 20488, 24428, 25216, 25792, 26398, 27001, 27872, 33232, 40976, 48856, 51584, 52796, 54002, 55744, 66464, 79391, 81952, 97712, 105592, 108004, 111488, 132928, 158782, 163904, 171587, 195424, 211184, 216008, 265856, 317564, 327808, 343174, 390848, 409169, 422368, 432016, 635128, 686348, 781696, 818338, 844736, 864032, 1270256, 1372696, 1636676, 1689472, 1728064, 2540512, 2745392, 3273352, 3456128, 5081024, 5319197, 5490784, 6546704, 10162048, 10638394, 10981568, 13093408, 21276788, 21963136, 26186816, 42553576, 52373632, 85107152, 170214304, 340428608, 680857216]

約数ペア:

[(1, 680857216), (2, 340428608), (4, 170214304), (8, 85107152), (13, 52373632), (16, 42553576), (26, 26186816), (31, 21963136), (32, 21276788), (52, 13093408), (62, 10981568), (64, 10638394), (67, 10162048), (104, 6546704), (124, 5490784), (128, 5319197), (134, 5081024), (197, 3456128), (208, 3273352), (248, 2745392), (268, 2540512), (394, 1728064), (403, 1689472), (416, 1636676), (496, 1372696), (536, 1270256), (788, 864032), (806, 844736), (832, 818338), (871, 781696), (992, 686348), (1072, 635128), (1576, 432016), (1612, 422368), (1664, 409169), (1742, 390848), (1984, 343174), (2077, 327808), (2144, 317564), (2561, 265856), (3152, 216008), (3224, 211184), (3484, 195424), (3968, 171587), (4154, 163904), (4288, 158782), (5122, 132928), (6107, 111488), (6304, 108004), (6448, 105592), (6968, 97712), (8308, 81952), (8576, 79391), (10244, 66464), (12214, 55744), (12608, 54002), (12896, 52796), (13199, 51584), (13936, 48856), (16616, 40976), (20488, 33232), (24428, 27872), (25216, 27001), (25792, 26398)]