20518712640

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{8161}}^1$

素因数の和:8287

約数の個数: 280

約数和(自身を含む): 73750166952

約数和(自身を除く): 53231454312

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 97, 108, 120, 135, 144, 160, 162, 180, 192, 194, 216, 240, 270, 288, 291, 320, 324, 360, 388, 405, 432, 480, 485, 540, 576, 582, 648, 720, 776, 810, 864, 873, 960, 970, 1080, 1164, 1296, 1440, 1455, 1552, 1620, 1728, 1746, 1940, 2160, 2328, 2592, 2619, 2880, 2910, 3104, 3240, 3492, 3880, 4320, 4365, 4656, 5184, 5238, 5820, 6208, 6480, 6984, 7760, 7857, 8161, 8640, 8730, 9312, 10476, 11640, 12960, 13095, 13968, 15520, 15714, 16322, 17460, 18624, 20952, 23280, 24483, 25920, 26190, 27936, 31040, 31428, 32644, 34920, 39285, 40805, 41904, 46560, 48966, 52380, 55872, 62856, 65288, 69840, 73449, 78570, 81610, 83808, 93120, 97932, 104760, 122415, 125712, 130576, 139680, 146898, 157140, 163220, 167616, 195864, 209520, 220347, 244830, 251424, 261152, 279360, 293796, 314280, 326440, 367245, 391728, 419040, 440694, 489660, 502848, 522304, 587592, 628560, 652880, 661041, 734490, 783456, 791617, 838080, 881388, 979320, 1101735, 1175184, 1257120, 1305760, 1322082, 1468980, 1566912, 1583234, 1762776, 1958640, 2203470, 2350368, 2374851, 2514240, 2611520, 2644164, 2937960, 3166468, 3305205, 3525552, 3917280, 3958085, 4406940, 4700736, 4749702, 5288328, 5875920, 6332936, 6610410, 7051104, 7124553, 7834560, 7916170, 8813880, 9499404, 10576656, 11751840, 11874255, 12665872, 13220820, 14102208, 14249106, 15832340, 17627760, 18998808, 21153312, 21373659, 23503680, 23748510, 25331744, 26441640, 28498212, 31664680, 35255520, 35622765, 37997616, 42306624, 42747318, 47497020, 50663488, 52883280, 56996424, 63329360, 64120977, 70511040, 71245530, 75995232, 85494636, 94994040, 105766560, 106868295, 113992848, 126658720, 128241954, 142491060, 151990464, 170989272, 189988080, 211533120, 213736590, 227985696, 253317440, 256483908, 284982120, 320604885, 341978544, 379976160, 427473180, 455971392, 512967816, 569964240, 641209770, 683957088, 759952320, 854946360, 1025935632, 1139928480, 1282419540, 1367914176, 1709892720, 2051871264, 2279856960, 2564839080, 3419785440, 4103742528, 5129678160, 6839570880, 10259356320, 20518712640]

約数ペア:

[(1, 20518712640), (2, 10259356320), (3, 6839570880), (4, 5129678160), (5, 4103742528), (6, 3419785440), (8, 2564839080), (9, 2279856960), (10, 2051871264), (12, 1709892720), (15, 1367914176), (16, 1282419540), (18, 1139928480), (20, 1025935632), (24, 854946360), (27, 759952320), (30, 683957088), (32, 641209770), (36, 569964240), (40, 512967816), (45, 455971392), (48, 427473180), (54, 379976160), (60, 341978544), (64, 320604885), (72, 284982120), (80, 256483908), (81, 253317440), (90, 227985696), (96, 213736590), (97, 211533120), (108, 189988080), (120, 170989272), (135, 151990464), (144, 142491060), (160, 128241954), (162, 126658720), (180, 113992848), (192, 106868295), (194, 105766560), (216, 94994040), (240, 85494636), (270, 75995232), (288, 71245530), (291, 70511040), (320, 64120977), (324, 63329360), (360, 56996424), (388, 52883280), (405, 50663488), (432, 47497020), (480, 42747318), (485, 42306624), (540, 37997616), (576, 35622765), (582, 35255520), (648, 31664680), (720, 28498212), (776, 26441640), (810, 25331744), (864, 23748510), (873, 23503680), (960, 21373659), (970, 21153312), (1080, 18998808), (1164, 17627760), (1296, 15832340), (1440, 14249106), (1455, 14102208), (1552, 13220820), (1620, 12665872), (1728, 11874255), (1746, 11751840), (1940, 10576656), (2160, 9499404), (2328, 8813880), (2592, 7916170), (2619, 7834560), (2880, 7124553), (2910, 7051104), (3104, 6610410), (3240, 6332936), (3492, 5875920), (3880, 5288328), (4320, 4749702), (4365, 4700736), (4656, 4406940), (5184, 3958085), (5238, 3917280), (5820, 3525552), (6208, 3305205), (6480, 3166468), (6984, 2937960), (7760, 2644164), (7857, 2611520), (8161, 2514240), (8640, 2374851), (8730, 2350368), (9312, 2203470), (10476, 1958640), (11640, 1762776), (12960, 1583234), (13095, 1566912), (13968, 1468980), (15520, 1322082), (15714, 1305760), (16322, 1257120), (17460, 1175184), (18624, 1101735), (20952, 979320), (23280, 881388), (24483, 838080), (25920, 791617), (26190, 783456), (27936, 734490), (31040, 661041), (31428, 652880), (32644, 628560), (34920, 587592), (39285, 522304), (40805, 502848), (41904, 489660), (46560, 440694), (48966, 419040), (52380, 391728), (55872, 367245), (62856, 326440), (65288, 314280), (69840, 293796), (73449, 279360), (78570, 261152), (81610, 251424), (83808, 244830), (93120, 220347), (97932, 209520), (104760, 195864), (122415, 167616), (125712, 163220), (130576, 157140), (139680, 146898)]