18720753408

素因数分解:

$2^8\times 3^2\times 7^3\times {\mathrm{23689}}^1$

素因数の和:23732

約数の個数: 216

約数和(自身を含む): 62949068000

約数和(自身を除く): 44228314592

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 49, 56, 63, 64, 72, 84, 96, 98, 112, 126, 128, 144, 147, 168, 192, 196, 224, 252, 256, 288, 294, 336, 343, 384, 392, 441, 448, 504, 576, 588, 672, 686, 768, 784, 882, 896, 1008, 1029, 1152, 1176, 1344, 1372, 1568, 1764, 1792, 2016, 2058, 2304, 2352, 2688, 2744, 3087, 3136, 3528, 4032, 4116, 4704, 5376, 5488, 6174, 6272, 7056, 8064, 8232, 9408, 10976, 12348, 12544, 14112, 16128, 16464, 18816, 21952, 23689, 24696, 28224, 32928, 37632, 43904, 47378, 49392, 56448, 65856, 71067, 87808, 94756, 98784, 112896, 131712, 142134, 165823, 189512, 197568, 213201, 263424, 284268, 331646, 379024, 395136, 426402, 497469, 568536, 663292, 758048, 790272, 852804, 994938, 1137072, 1160761, 1326584, 1492407, 1516096, 1705608, 1989876, 2274144, 2321522, 2653168, 2984814, 3032192, 3411216, 3482283, 3979752, 4548288, 4643044, 5306336, 5969628, 6064384, 6822432, 6964566, 7959504, 8125327, 9096576, 9286088, 10446849, 10612672, 11939256, 13644864, 13929132, 15919008, 16250654, 18193152, 18572176, 20893698, 21225344, 23878512, 24375981, 27289728, 27858264, 31838016, 32501308, 37144352, 41787396, 42450688, 47757024, 48751962, 54579456, 55716528, 63676032, 65002616, 73127943, 74288704, 83574792, 95514048, 97503924, 111433056, 127352064, 130005232, 146255886, 148577408, 167149584, 191028096, 195007848, 222866112, 260010464, 292511772, 297154816, 334299168, 382056192, 390015696, 445732224, 520020928, 585023544, 668598336, 780031392, 891464448, 1040041856, 1170047088, 1337196672, 1560062784, 2080083712, 2340094176, 2674393344, 3120125568, 4680188352, 6240251136, 9360376704, 18720753408]

約数ペア:

[(1, 18720753408), (2, 9360376704), (3, 6240251136), (4, 4680188352), (6, 3120125568), (7, 2674393344), (8, 2340094176), (9, 2080083712), (12, 1560062784), (14, 1337196672), (16, 1170047088), (18, 1040041856), (21, 891464448), (24, 780031392), (28, 668598336), (32, 585023544), (36, 520020928), (42, 445732224), (48, 390015696), (49, 382056192), (56, 334299168), (63, 297154816), (64, 292511772), (72, 260010464), (84, 222866112), (96, 195007848), (98, 191028096), (112, 167149584), (126, 148577408), (128, 146255886), (144, 130005232), (147, 127352064), (168, 111433056), (192, 97503924), (196, 95514048), (224, 83574792), (252, 74288704), (256, 73127943), (288, 65002616), (294, 63676032), (336, 55716528), (343, 54579456), (384, 48751962), (392, 47757024), (441, 42450688), (448, 41787396), (504, 37144352), (576, 32501308), (588, 31838016), (672, 27858264), (686, 27289728), (768, 24375981), (784, 23878512), (882, 21225344), (896, 20893698), (1008, 18572176), (1029, 18193152), (1152, 16250654), (1176, 15919008), (1344, 13929132), (1372, 13644864), (1568, 11939256), (1764, 10612672), (1792, 10446849), (2016, 9286088), (2058, 9096576), (2304, 8125327), (2352, 7959504), (2688, 6964566), (2744, 6822432), (3087, 6064384), (3136, 5969628), (3528, 5306336), (4032, 4643044), (4116, 4548288), (4704, 3979752), (5376, 3482283), (5488, 3411216), (6174, 3032192), (6272, 2984814), (7056, 2653168), (8064, 2321522), (8232, 2274144), (9408, 1989876), (10976, 1705608), (12348, 1516096), (12544, 1492407), (14112, 1326584), (16128, 1160761), (16464, 1137072), (18816, 994938), (21952, 852804), (23689, 790272), (24696, 758048), (28224, 663292), (32928, 568536), (37632, 497469), (43904, 426402), (47378, 395136), (49392, 379024), (56448, 331646), (65856, 284268), (71067, 263424), (87808, 213201), (94756, 197568), (98784, 189512), (112896, 165823), (131712, 142134)]