20161648500

素因数分解:

$2^2\times 3^1\times 5^3\times 7^1\times {\mathrm{193}}^1\times {\mathrm{9949}}^1$

素因数の和:10171

約数の個数: 192

約数和(自身を含む): 67452403200

約数和(自身を除く): 47290754700

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 125, 140, 150, 175, 193, 210, 250, 300, 350, 375, 386, 420, 500, 525, 579, 700, 750, 772, 875, 965, 1050, 1158, 1351, 1500, 1750, 1930, 2100, 2316, 2625, 2702, 2895, 3500, 3860, 4053, 4825, 5250, 5404, 5790, 6755, 8106, 9650, 9949, 10500, 11580, 13510, 14475, 16212, 19300, 19898, 20265, 24125, 27020, 28950, 29847, 33775, 39796, 40530, 48250, 49745, 57900, 59694, 67550, 69643, 72375, 81060, 96500, 99490, 101325, 119388, 135100, 139286, 144750, 149235, 168875, 198980, 202650, 208929, 248725, 278572, 289500, 298470, 337750, 348215, 405300, 417858, 497450, 506625, 596940, 675500, 696430, 746175, 835716, 994900, 1013250, 1044645, 1243625, 1392860, 1492350, 1741075, 1920157, 2026500, 2089290, 2487250, 2984700, 3482150, 3730875, 3840314, 4178580, 4974500, 5223225, 5760471, 6964300, 7461750, 7680628, 8705375, 9600785, 10446450, 11520942, 13441099, 14923500, 17410750, 19201570, 20892900, 23041884, 26116125, 26882198, 28802355, 34821500, 38403140, 40323297, 48003925, 52232250, 53764396, 57604710, 67205495, 80646594, 96007850, 104464500, 115209420, 134410990, 144011775, 161293188, 192015700, 201616485, 240019625, 268821980, 288023550, 336027475, 403232970, 480039250, 576047100, 672054950, 720058875, 806465940, 960078500, 1008082425, 1344109900, 1440117750, 1680137375, 2016164850, 2880235500, 3360274750, 4032329700, 5040412125, 6720549500, 10080824250, 20161648500]

約数ペア:

[(1, 20161648500), (2, 10080824250), (3, 6720549500), (4, 5040412125), (5, 4032329700), (6, 3360274750), (7, 2880235500), (10, 2016164850), (12, 1680137375), (14, 1440117750), (15, 1344109900), (20, 1008082425), (21, 960078500), (25, 806465940), (28, 720058875), (30, 672054950), (35, 576047100), (42, 480039250), (50, 403232970), (60, 336027475), (70, 288023550), (75, 268821980), (84, 240019625), (100, 201616485), (105, 192015700), (125, 161293188), (140, 144011775), (150, 134410990), (175, 115209420), (193, 104464500), (210, 96007850), (250, 80646594), (300, 67205495), (350, 57604710), (375, 53764396), (386, 52232250), (420, 48003925), (500, 40323297), (525, 38403140), (579, 34821500), (700, 28802355), (750, 26882198), (772, 26116125), (875, 23041884), (965, 20892900), (1050, 19201570), (1158, 17410750), (1351, 14923500), (1500, 13441099), (1750, 11520942), (1930, 10446450), (2100, 9600785), (2316, 8705375), (2625, 7680628), (2702, 7461750), (2895, 6964300), (3500, 5760471), (3860, 5223225), (4053, 4974500), (4825, 4178580), (5250, 3840314), (5404, 3730875), (5790, 3482150), (6755, 2984700), (8106, 2487250), (9650, 2089290), (9949, 2026500), (10500, 1920157), (11580, 1741075), (13510, 1492350), (14475, 1392860), (16212, 1243625), (19300, 1044645), (19898, 1013250), (20265, 994900), (24125, 835716), (27020, 746175), (28950, 696430), (29847, 675500), (33775, 596940), (39796, 506625), (40530, 497450), (48250, 417858), (49745, 405300), (57900, 348215), (59694, 337750), (67550, 298470), (69643, 289500), (72375, 278572), (81060, 248725), (96500, 208929), (99490, 202650), (101325, 198980), (119388, 168875), (135100, 149235), (139286, 144750)]