21788641280

素因数分解:

$2^{11}\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1543}}^1$

素因数の和:1774

約数の個数: 192

約数和(自身を含む): 60090750720

約数和(自身を除く): 38302109440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 197, 224, 256, 280, 320, 394, 448, 512, 560, 640, 788, 896, 985, 1024, 1120, 1280, 1379, 1543, 1576, 1792, 1970, 2048, 2240, 2560, 2758, 3086, 3152, 3584, 3940, 4480, 5120, 5516, 6172, 6304, 6895, 7168, 7715, 7880, 8960, 10240, 10801, 11032, 12344, 12608, 13790, 14336, 15430, 15760, 17920, 21602, 22064, 24688, 25216, 27580, 30860, 31520, 35840, 43204, 44128, 49376, 50432, 54005, 55160, 61720, 63040, 71680, 86408, 88256, 98752, 100864, 108010, 110320, 123440, 126080, 172816, 176512, 197504, 201728, 216020, 220640, 246880, 252160, 303971, 345632, 353024, 395008, 403456, 432040, 441280, 493760, 504320, 607942, 691264, 706048, 790016, 864080, 882560, 987520, 1008640, 1215884, 1382528, 1412096, 1519855, 1580032, 1728160, 1765120, 1975040, 2017280, 2127797, 2431768, 2765056, 2824192, 3039710, 3160064, 3456320, 3530240, 3950080, 4255594, 4863536, 5530112, 6079420, 6912640, 7060480, 7900160, 8511188, 9727072, 10638985, 11060224, 12158840, 13825280, 14120960, 15800320, 17022376, 19454144, 21277970, 22120448, 24317680, 27650560, 34044752, 38908288, 42555940, 48635360, 55301120, 68089504, 77816576, 85111880, 97270720, 110602240, 136179008, 155633152, 170223760, 194541440, 272358016, 311266304, 340447520, 389082880, 544716032, 622532608, 680895040, 778165760, 1089432064, 1361790080, 1556331520, 2178864128, 2723580160, 3112663040, 4357728256, 5447160320, 10894320640, 21788641280]

約数ペア:

[(1, 21788641280), (2, 10894320640), (4, 5447160320), (5, 4357728256), (7, 3112663040), (8, 2723580160), (10, 2178864128), (14, 1556331520), (16, 1361790080), (20, 1089432064), (28, 778165760), (32, 680895040), (35, 622532608), (40, 544716032), (56, 389082880), (64, 340447520), (70, 311266304), (80, 272358016), (112, 194541440), (128, 170223760), (140, 155633152), (160, 136179008), (197, 110602240), (224, 97270720), (256, 85111880), (280, 77816576), (320, 68089504), (394, 55301120), (448, 48635360), (512, 42555940), (560, 38908288), (640, 34044752), (788, 27650560), (896, 24317680), (985, 22120448), (1024, 21277970), (1120, 19454144), (1280, 17022376), (1379, 15800320), (1543, 14120960), (1576, 13825280), (1792, 12158840), (1970, 11060224), (2048, 10638985), (2240, 9727072), (2560, 8511188), (2758, 7900160), (3086, 7060480), (3152, 6912640), (3584, 6079420), (3940, 5530112), (4480, 4863536), (5120, 4255594), (5516, 3950080), (6172, 3530240), (6304, 3456320), (6895, 3160064), (7168, 3039710), (7715, 2824192), (7880, 2765056), (8960, 2431768), (10240, 2127797), (10801, 2017280), (11032, 1975040), (12344, 1765120), (12608, 1728160), (13790, 1580032), (14336, 1519855), (15430, 1412096), (15760, 1382528), (17920, 1215884), (21602, 1008640), (22064, 987520), (24688, 882560), (25216, 864080), (27580, 790016), (30860, 706048), (31520, 691264), (35840, 607942), (43204, 504320), (44128, 493760), (49376, 441280), (50432, 432040), (54005, 403456), (55160, 395008), (61720, 353024), (63040, 345632), (71680, 303971), (86408, 252160), (88256, 246880), (98752, 220640), (100864, 216020), (108010, 201728), (110320, 197504), (123440, 176512), (126080, 172816)]