1569680240

素因数分解:

$2^4\times 5^1\times {\mathrm{137}}^1\times {\mathrm{197}}^1\times {\mathrm{727}}^1$

素因数の和:1074

約数の個数: 80

約数和(自身を含む): 3699888192

約数和(自身を除く): 2130207952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 137, 197, 274, 394, 548, 685, 727, 788, 985, 1096, 1370, 1454, 1576, 1970, 2192, 2740, 2908, 3152, 3635, 3940, 5480, 5816, 7270, 7880, 10960, 11632, 14540, 15760, 26989, 29080, 53978, 58160, 99599, 107956, 134945, 143219, 199198, 215912, 269890, 286438, 398396, 431824, 497995, 539780, 572876, 716095, 796792, 995990, 1079560, 1145752, 1432190, 1593584, 1991980, 2159120, 2291504, 2864380, 3983960, 5728760, 7967920, 11457520, 19621003, 39242006, 78484012, 98105015, 156968024, 196210030, 313936048, 392420060, 784840120, 1569680240]

約数ペア:

[(1, 1569680240), (2, 784840120), (4, 392420060), (5, 313936048), (8, 196210030), (10, 156968024), (16, 98105015), (20, 78484012), (40, 39242006), (80, 19621003), (137, 11457520), (197, 7967920), (274, 5728760), (394, 3983960), (548, 2864380), (685, 2291504), (727, 2159120), (788, 1991980), (985, 1593584), (1096, 1432190), (1370, 1145752), (1454, 1079560), (1576, 995990), (1970, 796792), (2192, 716095), (2740, 572876), (2908, 539780), (3152, 497995), (3635, 431824), (3940, 398396), (5480, 286438), (5816, 269890), (7270, 215912), (7880, 199198), (10960, 143219), (11632, 134945), (14540, 107956), (15760, 99599), (26989, 58160), (29080, 53978)]