28720256000

素因数分解:

$2^{10}\times 5^3\times {\mathrm{59}}^1\times {\mathrm{3803}}^1$

素因数の和:3897

約数の個数: 176

約数和(自身を含む): 72884335680

約数和(自身を除く): 44164079680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 59, 64, 80, 100, 118, 125, 128, 160, 200, 236, 250, 256, 295, 320, 400, 472, 500, 512, 590, 640, 800, 944, 1000, 1024, 1180, 1280, 1475, 1600, 1888, 2000, 2360, 2560, 2950, 3200, 3776, 3803, 4000, 4720, 5120, 5900, 6400, 7375, 7552, 7606, 8000, 9440, 11800, 12800, 14750, 15104, 15212, 16000, 18880, 19015, 23600, 25600, 29500, 30208, 30424, 32000, 37760, 38030, 47200, 59000, 60416, 60848, 64000, 75520, 76060, 94400, 95075, 118000, 121696, 128000, 151040, 152120, 188800, 190150, 224377, 236000, 243392, 302080, 304240, 377600, 380300, 448754, 472000, 475375, 486784, 608480, 755200, 760600, 897508, 944000, 950750, 973568, 1121885, 1216960, 1510400, 1521200, 1795016, 1888000, 1901500, 1947136, 2243770, 2433920, 3042400, 3590032, 3776000, 3803000, 3894272, 4487540, 4867840, 5609425, 6084800, 7180064, 7552000, 7606000, 8975080, 9735680, 11218850, 12169600, 14360128, 15212000, 17950160, 19471360, 22437700, 24339200, 28047125, 28720256, 30424000, 35900320, 44875400, 48678400, 56094250, 57440512, 60848000, 71800640, 89750800, 97356800, 112188500, 114881024, 121696000, 143601280, 179501600, 224377000, 229762048, 243392000, 287202560, 359003200, 448754000, 486784000, 574405120, 718006400, 897508000, 1148810240, 1436012800, 1795016000, 2872025600, 3590032000, 5744051200, 7180064000, 14360128000, 28720256000]

約数ペア:

[(1, 28720256000), (2, 14360128000), (4, 7180064000), (5, 5744051200), (8, 3590032000), (10, 2872025600), (16, 1795016000), (20, 1436012800), (25, 1148810240), (32, 897508000), (40, 718006400), (50, 574405120), (59, 486784000), (64, 448754000), (80, 359003200), (100, 287202560), (118, 243392000), (125, 229762048), (128, 224377000), (160, 179501600), (200, 143601280), (236, 121696000), (250, 114881024), (256, 112188500), (295, 97356800), (320, 89750800), (400, 71800640), (472, 60848000), (500, 57440512), (512, 56094250), (590, 48678400), (640, 44875400), (800, 35900320), (944, 30424000), (1000, 28720256), (1024, 28047125), (1180, 24339200), (1280, 22437700), (1475, 19471360), (1600, 17950160), (1888, 15212000), (2000, 14360128), (2360, 12169600), (2560, 11218850), (2950, 9735680), (3200, 8975080), (3776, 7606000), (3803, 7552000), (4000, 7180064), (4720, 6084800), (5120, 5609425), (5900, 4867840), (6400, 4487540), (7375, 3894272), (7552, 3803000), (7606, 3776000), (8000, 3590032), (9440, 3042400), (11800, 2433920), (12800, 2243770), (14750, 1947136), (15104, 1901500), (15212, 1888000), (16000, 1795016), (18880, 1521200), (19015, 1510400), (23600, 1216960), (25600, 1121885), (29500, 973568), (30208, 950750), (30424, 944000), (32000, 897508), (37760, 760600), (38030, 755200), (47200, 608480), (59000, 486784), (60416, 475375), (60848, 472000), (64000, 448754), (75520, 380300), (76060, 377600), (94400, 304240), (95075, 302080), (118000, 243392), (121696, 236000), (128000, 224377), (151040, 190150), (152120, 188800)]