20187464400

素因数分解:

$2^4\times 3^2\times 5^2\times {\mathrm{103}}^1\times {\mathrm{54443}}^1$

素因数の和:54570

約数の個数: 180

約数和(自身を含む): 70737564768

約数和(自身を除く): 50550100368

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 36, 40, 45, 48, 50, 60, 72, 75, 80, 90, 100, 103, 120, 144, 150, 180, 200, 206, 225, 240, 300, 309, 360, 400, 412, 450, 515, 600, 618, 720, 824, 900, 927, 1030, 1200, 1236, 1545, 1648, 1800, 1854, 2060, 2472, 2575, 3090, 3600, 3708, 4120, 4635, 4944, 5150, 6180, 7416, 7725, 8240, 9270, 10300, 12360, 14832, 15450, 18540, 20600, 23175, 24720, 30900, 37080, 41200, 46350, 54443, 61800, 74160, 92700, 108886, 123600, 163329, 185400, 217772, 272215, 326658, 370800, 435544, 489987, 544430, 653316, 816645, 871088, 979974, 1088860, 1306632, 1361075, 1633290, 1959948, 2177720, 2449935, 2613264, 2722150, 3266580, 3919896, 4083225, 4355440, 4899870, 5444300, 5607629, 6533160, 7839792, 8166450, 9799740, 10888600, 11215258, 12249675, 13066320, 16332900, 16822887, 19599480, 21777200, 22430516, 24499350, 28038145, 32665800, 33645774, 39198960, 44861032, 48998700, 50468661, 56076290, 65331600, 67291548, 84114435, 89722064, 97997400, 100937322, 112152580, 134583096, 140190725, 168228870, 195994800, 201874644, 224305160, 252343305, 269166192, 280381450, 336457740, 403749288, 420572175, 448610320, 504686610, 560762900, 672915480, 807498576, 841144350, 1009373220, 1121525800, 1261716525, 1345830960, 1682288700, 2018746440, 2243051600, 2523433050, 3364577400, 4037492880, 5046866100, 6729154800, 10093732200, 20187464400]

約数ペア:

[(1, 20187464400), (2, 10093732200), (3, 6729154800), (4, 5046866100), (5, 4037492880), (6, 3364577400), (8, 2523433050), (9, 2243051600), (10, 2018746440), (12, 1682288700), (15, 1345830960), (16, 1261716525), (18, 1121525800), (20, 1009373220), (24, 841144350), (25, 807498576), (30, 672915480), (36, 560762900), (40, 504686610), (45, 448610320), (48, 420572175), (50, 403749288), (60, 336457740), (72, 280381450), (75, 269166192), (80, 252343305), (90, 224305160), (100, 201874644), (103, 195994800), (120, 168228870), (144, 140190725), (150, 134583096), (180, 112152580), (200, 100937322), (206, 97997400), (225, 89722064), (240, 84114435), (300, 67291548), (309, 65331600), (360, 56076290), (400, 50468661), (412, 48998700), (450, 44861032), (515, 39198960), (600, 33645774), (618, 32665800), (720, 28038145), (824, 24499350), (900, 22430516), (927, 21777200), (1030, 19599480), (1200, 16822887), (1236, 16332900), (1545, 13066320), (1648, 12249675), (1800, 11215258), (1854, 10888600), (2060, 9799740), (2472, 8166450), (2575, 7839792), (3090, 6533160), (3600, 5607629), (3708, 5444300), (4120, 4899870), (4635, 4355440), (4944, 4083225), (5150, 3919896), (6180, 3266580), (7416, 2722150), (7725, 2613264), (8240, 2449935), (9270, 2177720), (10300, 1959948), (12360, 1633290), (14832, 1361075), (15450, 1306632), (18540, 1088860), (20600, 979974), (23175, 871088), (24720, 816645), (30900, 653316), (37080, 544430), (41200, 489987), (46350, 435544), (54443, 370800), (61800, 326658), (74160, 272215), (92700, 217772), (108886, 185400), (123600, 163329)]