440860160

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1019}}^1$

素因数の和:1068

約数の個数: 120

約数和(自身を含む): 1145719080

約数和(自身を除く): 704858920

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 169, 208, 256, 260, 320, 338, 416, 512, 520, 640, 676, 832, 845, 1019, 1040, 1280, 1352, 1664, 1690, 2038, 2080, 2560, 2704, 3328, 3380, 4076, 4160, 5095, 5408, 6656, 6760, 8152, 8320, 10190, 10816, 13247, 13520, 16304, 16640, 20380, 21632, 26494, 27040, 32608, 33280, 40760, 43264, 52988, 54080, 65216, 66235, 81520, 86528, 105976, 108160, 130432, 132470, 163040, 172211, 211952, 216320, 260864, 264940, 326080, 344422, 423904, 432640, 521728, 529880, 652160, 688844, 847808, 861055, 1059760, 1304320, 1377688, 1695616, 1722110, 2119520, 2608640, 2755376, 3391232, 3444220, 4239040, 5510752, 6782464, 6888440, 8478080, 11021504, 13776880, 16956160, 22043008, 27553760, 33912320, 44086016, 55107520, 88172032, 110215040, 220430080, 440860160]

約数ペア:

[(1, 440860160), (2, 220430080), (4, 110215040), (5, 88172032), (8, 55107520), (10, 44086016), (13, 33912320), (16, 27553760), (20, 22043008), (26, 16956160), (32, 13776880), (40, 11021504), (52, 8478080), (64, 6888440), (65, 6782464), (80, 5510752), (104, 4239040), (128, 3444220), (130, 3391232), (160, 2755376), (169, 2608640), (208, 2119520), (256, 1722110), (260, 1695616), (320, 1377688), (338, 1304320), (416, 1059760), (512, 861055), (520, 847808), (640, 688844), (676, 652160), (832, 529880), (845, 521728), (1019, 432640), (1040, 423904), (1280, 344422), (1352, 326080), (1664, 264940), (1690, 260864), (2038, 216320), (2080, 211952), (2560, 172211), (2704, 163040), (3328, 132470), (3380, 130432), (4076, 108160), (4160, 105976), (5095, 86528), (5408, 81520), (6656, 66235), (6760, 65216), (8152, 54080), (8320, 52988), (10190, 43264), (10816, 40760), (13247, 33280), (13520, 32608), (16304, 27040), (16640, 26494), (20380, 21632)]