1812121920

素因数分解:

$2^6\times 3^2\times 5^1\times 7^2\times {\mathrm{12841}}^1$

素因数の和:12878

約数の個数: 252

約数和(自身を含む): 7251132564

約数和(自身を除く): 5439010644

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 98, 105, 112, 120, 126, 140, 144, 147, 160, 168, 180, 192, 196, 210, 224, 240, 245, 252, 280, 288, 294, 315, 320, 336, 360, 392, 420, 441, 448, 480, 490, 504, 560, 576, 588, 630, 672, 720, 735, 784, 840, 882, 960, 980, 1008, 1120, 1176, 1260, 1344, 1440, 1470, 1568, 1680, 1764, 1960, 2016, 2205, 2240, 2352, 2520, 2880, 2940, 3136, 3360, 3528, 3920, 4032, 4410, 4704, 5040, 5880, 6720, 7056, 7840, 8820, 9408, 10080, 11760, 12841, 14112, 15680, 17640, 20160, 23520, 25682, 28224, 35280, 38523, 47040, 51364, 64205, 70560, 77046, 89887, 102728, 115569, 128410, 141120, 154092, 179774, 192615, 205456, 231138, 256820, 269661, 308184, 359548, 385230, 410912, 449435, 462276, 513640, 539322, 577845, 616368, 629209, 719096, 770460, 808983, 821824, 898870, 924552, 1027280, 1078644, 1155690, 1232736, 1258418, 1348305, 1438192, 1540920, 1617966, 1797740, 1849104, 1887627, 2054560, 2157288, 2311380, 2465472, 2516836, 2696610, 2876384, 3081840, 3146045, 3235932, 3595480, 3698208, 3775254, 4044915, 4109120, 4314576, 4622760, 5033672, 5393220, 5662881, 5752768, 6163680, 6292090, 6471864, 7190960, 7396416, 7550508, 8089830, 8629152, 9245520, 9438135, 10067344, 10786440, 11325762, 12327360, 12584180, 12943728, 14381920, 15101016, 16179660, 17258304, 18491040, 18876270, 20134688, 21572880, 22651524, 25168360, 25887456, 28314405, 28763840, 30202032, 32359320, 36982080, 37752540, 40269376, 43145760, 45303048, 50336720, 51774912, 56628810, 60404064, 64718640, 75505080, 86291520, 90606096, 100673440, 113257620, 120808128, 129437280, 151010160, 181212192, 201346880, 226515240, 258874560, 302020320, 362424384, 453030480, 604040640, 906060960, 1812121920]

約数ペア:

[(1, 1812121920), (2, 906060960), (3, 604040640), (4, 453030480), (5, 362424384), (6, 302020320), (7, 258874560), (8, 226515240), (9, 201346880), (10, 181212192), (12, 151010160), (14, 129437280), (15, 120808128), (16, 113257620), (18, 100673440), (20, 90606096), (21, 86291520), (24, 75505080), (28, 64718640), (30, 60404064), (32, 56628810), (35, 51774912), (36, 50336720), (40, 45303048), (42, 43145760), (45, 40269376), (48, 37752540), (49, 36982080), (56, 32359320), (60, 30202032), (63, 28763840), (64, 28314405), (70, 25887456), (72, 25168360), (80, 22651524), (84, 21572880), (90, 20134688), (96, 18876270), (98, 18491040), (105, 17258304), (112, 16179660), (120, 15101016), (126, 14381920), (140, 12943728), (144, 12584180), (147, 12327360), (160, 11325762), (168, 10786440), (180, 10067344), (192, 9438135), (196, 9245520), (210, 8629152), (224, 8089830), (240, 7550508), (245, 7396416), (252, 7190960), (280, 6471864), (288, 6292090), (294, 6163680), (315, 5752768), (320, 5662881), (336, 5393220), (360, 5033672), (392, 4622760), (420, 4314576), (441, 4109120), (448, 4044915), (480, 3775254), (490, 3698208), (504, 3595480), (560, 3235932), (576, 3146045), (588, 3081840), (630, 2876384), (672, 2696610), (720, 2516836), (735, 2465472), (784, 2311380), (840, 2157288), (882, 2054560), (960, 1887627), (980, 1849104), (1008, 1797740), (1120, 1617966), (1176, 1540920), (1260, 1438192), (1344, 1348305), (1440, 1258418), (1470, 1232736), (1568, 1155690), (1680, 1078644), (1764, 1027280), (1960, 924552), (2016, 898870), (2205, 821824), (2240, 808983), (2352, 770460), (2520, 719096), (2880, 629209), (2940, 616368), (3136, 577845), (3360, 539322), (3528, 513640), (3920, 462276), (4032, 449435), (4410, 410912), (4704, 385230), (5040, 359548), (5880, 308184), (6720, 269661), (7056, 256820), (7840, 231138), (8820, 205456), (9408, 192615), (10080, 179774), (11760, 154092), (12841, 141120), (14112, 128410), (15680, 115569), (17640, 102728), (20160, 89887), (23520, 77046), (25682, 70560), (28224, 64205), (35280, 51364), (38523, 47040)]