168721280

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2897}}^1$

素因数の和:2936

約数の個数: 128

約数和(自身を含む): 496601280

約数和(自身を除く): 327880000

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 128, 130, 140, 160, 182, 208, 224, 260, 280, 320, 364, 416, 448, 455, 520, 560, 640, 728, 832, 896, 910, 1040, 1120, 1456, 1664, 1820, 2080, 2240, 2897, 2912, 3640, 4160, 4480, 5794, 5824, 7280, 8320, 11588, 11648, 14485, 14560, 20279, 23176, 28970, 29120, 37661, 40558, 46352, 57940, 58240, 75322, 81116, 92704, 101395, 115880, 150644, 162232, 185408, 188305, 202790, 231760, 263627, 301288, 324464, 370816, 376610, 405580, 463520, 527254, 602576, 648928, 753220, 811160, 927040, 1054508, 1205152, 1297856, 1318135, 1506440, 1622320, 1854080, 2109016, 2410304, 2595712, 2636270, 3012880, 3244640, 4218032, 4820608, 5272540, 6025760, 6489280, 8436064, 10545080, 12051520, 12978560, 16872128, 21090160, 24103040, 33744256, 42180320, 84360640, 168721280]

約数ペア:

[(1, 168721280), (2, 84360640), (4, 42180320), (5, 33744256), (7, 24103040), (8, 21090160), (10, 16872128), (13, 12978560), (14, 12051520), (16, 10545080), (20, 8436064), (26, 6489280), (28, 6025760), (32, 5272540), (35, 4820608), (40, 4218032), (52, 3244640), (56, 3012880), (64, 2636270), (65, 2595712), (70, 2410304), (80, 2109016), (91, 1854080), (104, 1622320), (112, 1506440), (128, 1318135), (130, 1297856), (140, 1205152), (160, 1054508), (182, 927040), (208, 811160), (224, 753220), (260, 648928), (280, 602576), (320, 527254), (364, 463520), (416, 405580), (448, 376610), (455, 370816), (520, 324464), (560, 301288), (640, 263627), (728, 231760), (832, 202790), (896, 188305), (910, 185408), (1040, 162232), (1120, 150644), (1456, 115880), (1664, 101395), (1820, 92704), (2080, 81116), (2240, 75322), (2897, 58240), (2912, 57940), (3640, 46352), (4160, 40558), (4480, 37661), (5794, 29120), (5824, 28970), (7280, 23176), (8320, 20279), (11588, 14560), (11648, 14485)]