19755916800

素因数分解:

$2^9\times 3^1\times 5^2\times {\mathrm{127}}^1\times {\mathrm{4051}}^1$

素因数の和:4209

約数の個数: 240

約数和(自身を含む): 65792550912

約数和(自身を除く): 46036634112

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 64, 75, 80, 96, 100, 120, 127, 128, 150, 160, 192, 200, 240, 254, 256, 300, 320, 381, 384, 400, 480, 508, 512, 600, 635, 640, 762, 768, 800, 960, 1016, 1200, 1270, 1280, 1524, 1536, 1600, 1905, 1920, 2032, 2400, 2540, 2560, 3048, 3175, 3200, 3810, 3840, 4051, 4064, 4800, 5080, 6096, 6350, 6400, 7620, 7680, 8102, 8128, 9525, 9600, 10160, 12153, 12192, 12700, 12800, 15240, 16204, 16256, 19050, 19200, 20255, 20320, 24306, 24384, 25400, 30480, 32408, 32512, 38100, 38400, 40510, 40640, 48612, 48768, 50800, 60765, 60960, 64816, 65024, 76200, 81020, 81280, 97224, 97536, 101275, 101600, 121530, 121920, 129632, 152400, 162040, 162560, 194448, 195072, 202550, 203200, 243060, 243840, 259264, 303825, 304800, 324080, 325120, 388896, 405100, 406400, 486120, 487680, 514477, 518528, 607650, 609600, 648160, 777792, 810200, 812800, 972240, 975360, 1028954, 1037056, 1215300, 1219200, 1296320, 1543431, 1555584, 1620400, 1625600, 1944480, 2057908, 2074112, 2430600, 2438400, 2572385, 2592640, 3086862, 3111168, 3240800, 3888960, 4115816, 4861200, 4876800, 5144770, 5185280, 6173724, 6222336, 6481600, 7717155, 7777920, 8231632, 9722400, 10289540, 10370560, 12347448, 12861925, 12963200, 15434310, 15555840, 16463264, 19444800, 20579080, 24694896, 25723850, 25926400, 30868620, 31111680, 32926528, 38585775, 38889600, 41158160, 49389792, 51447700, 51852800, 61737240, 65853056, 77171550, 77779200, 82316320, 98779584, 102895400, 123474480, 131706112, 154343100, 155558400, 164632640, 197559168, 205790800, 246948960, 263412224, 308686200, 329265280, 395118336, 411581600, 493897920, 617372400, 658530560, 790236672, 823163200, 987795840, 1234744800, 1317061120, 1646326400, 1975591680, 2469489600, 3292652800, 3951183360, 4938979200, 6585305600, 9877958400, 19755916800]

約数ペア:

[(1, 19755916800), (2, 9877958400), (3, 6585305600), (4, 4938979200), (5, 3951183360), (6, 3292652800), (8, 2469489600), (10, 1975591680), (12, 1646326400), (15, 1317061120), (16, 1234744800), (20, 987795840), (24, 823163200), (25, 790236672), (30, 658530560), (32, 617372400), (40, 493897920), (48, 411581600), (50, 395118336), (60, 329265280), (64, 308686200), (75, 263412224), (80, 246948960), (96, 205790800), (100, 197559168), (120, 164632640), (127, 155558400), (128, 154343100), (150, 131706112), (160, 123474480), (192, 102895400), (200, 98779584), (240, 82316320), (254, 77779200), (256, 77171550), (300, 65853056), (320, 61737240), (381, 51852800), (384, 51447700), (400, 49389792), (480, 41158160), (508, 38889600), (512, 38585775), (600, 32926528), (635, 31111680), (640, 30868620), (762, 25926400), (768, 25723850), (800, 24694896), (960, 20579080), (1016, 19444800), (1200, 16463264), (1270, 15555840), (1280, 15434310), (1524, 12963200), (1536, 12861925), (1600, 12347448), (1905, 10370560), (1920, 10289540), (2032, 9722400), (2400, 8231632), (2540, 7777920), (2560, 7717155), (3048, 6481600), (3175, 6222336), (3200, 6173724), (3810, 5185280), (3840, 5144770), (4051, 4876800), (4064, 4861200), (4800, 4115816), (5080, 3888960), (6096, 3240800), (6350, 3111168), (6400, 3086862), (7620, 2592640), (7680, 2572385), (8102, 2438400), (8128, 2430600), (9525, 2074112), (9600, 2057908), (10160, 1944480), (12153, 1625600), (12192, 1620400), (12700, 1555584), (12800, 1543431), (15240, 1296320), (16204, 1219200), (16256, 1215300), (19050, 1037056), (19200, 1028954), (20255, 975360), (20320, 972240), (24306, 812800), (24384, 810200), (25400, 777792), (30480, 648160), (32408, 609600), (32512, 607650), (38100, 518528), (38400, 514477), (40510, 487680), (40640, 486120), (48612, 406400), (48768, 405100), (50800, 388896), (60765, 325120), (60960, 324080), (64816, 304800), (65024, 303825), (76200, 259264), (81020, 243840), (81280, 243060), (97224, 203200), (97536, 202550), (101275, 195072), (101600, 194448), (121530, 162560), (121920, 162040), (129632, 152400)]