639961344

素因数分解:

$2^8\times 3^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{443}}^1$

素因数の和:498

約数の個数: 288

約数和(自身を含む): 2178086400

約数和(自身を除く): 1538125056

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 19, 22, 24, 27, 32, 33, 36, 38, 44, 48, 54, 57, 64, 66, 72, 76, 88, 96, 99, 108, 114, 128, 132, 144, 152, 171, 176, 192, 198, 209, 216, 228, 256, 264, 288, 297, 304, 342, 352, 384, 396, 418, 432, 443, 456, 513, 528, 576, 594, 608, 627, 684, 704, 768, 792, 836, 864, 886, 912, 1026, 1056, 1152, 1188, 1216, 1254, 1329, 1368, 1408, 1584, 1672, 1728, 1772, 1824, 1881, 2052, 2112, 2304, 2376, 2432, 2508, 2658, 2736, 2816, 3168, 3344, 3456, 3544, 3648, 3762, 3987, 4104, 4224, 4752, 4864, 4873, 5016, 5316, 5472, 5643, 6336, 6688, 6912, 7088, 7296, 7524, 7974, 8208, 8417, 8448, 9504, 9746, 10032, 10632, 10944, 11286, 11961, 12672, 13376, 14176, 14592, 14619, 15048, 15948, 16416, 16834, 19008, 19492, 20064, 21264, 21888, 22572, 23922, 25251, 25344, 26752, 28352, 29238, 30096, 31896, 32832, 33668, 38016, 38984, 40128, 42528, 43776, 43857, 45144, 47844, 50502, 53504, 56704, 58476, 60192, 63792, 65664, 67336, 75753, 76032, 77968, 80256, 85056, 87714, 90288, 92587, 95688, 101004, 113408, 116952, 120384, 127584, 131328, 131571, 134672, 151506, 155936, 160512, 170112, 175428, 180576, 185174, 191376, 202008, 227259, 233904, 240768, 255168, 263142, 269344, 277761, 303012, 311872, 340224, 350856, 361152, 370348, 382752, 404016, 454518, 467808, 481536, 510336, 526284, 538688, 555522, 606024, 623744, 701712, 722304, 740696, 765504, 808032, 833283, 909036, 935616, 1020672, 1052568, 1077376, 1111044, 1212048, 1247488, 1403424, 1444608, 1481392, 1531008, 1616064, 1666566, 1818072, 1871232, 2105136, 2154752, 2222088, 2424096, 2499849, 2806848, 2962784, 3062016, 3232128, 3333132, 3636144, 3742464, 4210272, 4444176, 4848192, 4999698, 5613696, 5925568, 6464256, 6666264, 7272288, 8420544, 8888352, 9696384, 9999396, 11227392, 11851136, 13332528, 14544576, 16841088, 17776704, 19392768, 19998792, 23702272, 26665056, 29089152, 33682176, 35553408, 39997584, 53330112, 58178304, 71106816, 79995168, 106660224, 159990336, 213320448, 319980672, 639961344]

約数ペア:

[(1, 639961344), (2, 319980672), (3, 213320448), (4, 159990336), (6, 106660224), (8, 79995168), (9, 71106816), (11, 58178304), (12, 53330112), (16, 39997584), (18, 35553408), (19, 33682176), (22, 29089152), (24, 26665056), (27, 23702272), (32, 19998792), (33, 19392768), (36, 17776704), (38, 16841088), (44, 14544576), (48, 13332528), (54, 11851136), (57, 11227392), (64, 9999396), (66, 9696384), (72, 8888352), (76, 8420544), (88, 7272288), (96, 6666264), (99, 6464256), (108, 5925568), (114, 5613696), (128, 4999698), (132, 4848192), (144, 4444176), (152, 4210272), (171, 3742464), (176, 3636144), (192, 3333132), (198, 3232128), (209, 3062016), (216, 2962784), (228, 2806848), (256, 2499849), (264, 2424096), (288, 2222088), (297, 2154752), (304, 2105136), (342, 1871232), (352, 1818072), (384, 1666566), (396, 1616064), (418, 1531008), (432, 1481392), (443, 1444608), (456, 1403424), (513, 1247488), (528, 1212048), (576, 1111044), (594, 1077376), (608, 1052568), (627, 1020672), (684, 935616), (704, 909036), (768, 833283), (792, 808032), (836, 765504), (864, 740696), (886, 722304), (912, 701712), (1026, 623744), (1056, 606024), (1152, 555522), (1188, 538688), (1216, 526284), (1254, 510336), (1329, 481536), (1368, 467808), (1408, 454518), (1584, 404016), (1672, 382752), (1728, 370348), (1772, 361152), (1824, 350856), (1881, 340224), (2052, 311872), (2112, 303012), (2304, 277761), (2376, 269344), (2432, 263142), (2508, 255168), (2658, 240768), (2736, 233904), (2816, 227259), (3168, 202008), (3344, 191376), (3456, 185174), (3544, 180576), (3648, 175428), (3762, 170112), (3987, 160512), (4104, 155936), (4224, 151506), (4752, 134672), (4864, 131571), (4873, 131328), (5016, 127584), (5316, 120384), (5472, 116952), (5643, 113408), (6336, 101004), (6688, 95688), (6912, 92587), (7088, 90288), (7296, 87714), (7524, 85056), (7974, 80256), (8208, 77968), (8417, 76032), (8448, 75753), (9504, 67336), (9746, 65664), (10032, 63792), (10632, 60192), (10944, 58476), (11286, 56704), (11961, 53504), (12672, 50502), (13376, 47844), (14176, 45144), (14592, 43857), (14619, 43776), (15048, 42528), (15948, 40128), (16416, 38984), (16834, 38016), (19008, 33668), (19492, 32832), (20064, 31896), (21264, 30096), (21888, 29238), (22572, 28352), (23922, 26752), (25251, 25344)]