1891227520

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{4639}}^1$

素因数の和:4685

約数の個数: 192

約数和(自身を含む): 5665161600

約数和(自身を除く): 3773934080

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 49, 52, 56, 64, 65, 70, 80, 91, 98, 104, 112, 128, 130, 140, 160, 182, 196, 208, 224, 245, 260, 280, 320, 364, 392, 416, 448, 455, 490, 520, 560, 637, 640, 728, 784, 832, 896, 910, 980, 1040, 1120, 1274, 1456, 1568, 1664, 1820, 1960, 2080, 2240, 2548, 2912, 3136, 3185, 3640, 3920, 4160, 4480, 4639, 5096, 5824, 6272, 6370, 7280, 7840, 8320, 9278, 10192, 11648, 12740, 14560, 15680, 18556, 20384, 23195, 25480, 29120, 31360, 32473, 37112, 40768, 46390, 50960, 58240, 60307, 64946, 74224, 81536, 92780, 101920, 120614, 129892, 148448, 162365, 185560, 203840, 227311, 241228, 259784, 296896, 301535, 324730, 371120, 407680, 422149, 454622, 482456, 519568, 593792, 603070, 649460, 742240, 844298, 909244, 964912, 1039136, 1136555, 1206140, 1298920, 1484480, 1688596, 1818488, 1929824, 2078272, 2110745, 2273110, 2412280, 2597840, 2955043, 2968960, 3377192, 3636976, 3859648, 4156544, 4221490, 4546220, 4824560, 5195680, 5910086, 6754384, 7273952, 7719296, 8442980, 9092440, 9649120, 10391360, 11820172, 13508768, 14547904, 14775215, 16885960, 18184880, 19298240, 20782720, 23640344, 27017536, 29095808, 29550430, 33771920, 36369760, 38596480, 47280688, 54035072, 59100860, 67543840, 72739520, 94561376, 118201720, 135087680, 145479040, 189122752, 236403440, 270175360, 378245504, 472806880, 945613760, 1891227520]

約数ペア:

[(1, 1891227520), (2, 945613760), (4, 472806880), (5, 378245504), (7, 270175360), (8, 236403440), (10, 189122752), (13, 145479040), (14, 135087680), (16, 118201720), (20, 94561376), (26, 72739520), (28, 67543840), (32, 59100860), (35, 54035072), (40, 47280688), (49, 38596480), (52, 36369760), (56, 33771920), (64, 29550430), (65, 29095808), (70, 27017536), (80, 23640344), (91, 20782720), (98, 19298240), (104, 18184880), (112, 16885960), (128, 14775215), (130, 14547904), (140, 13508768), (160, 11820172), (182, 10391360), (196, 9649120), (208, 9092440), (224, 8442980), (245, 7719296), (260, 7273952), (280, 6754384), (320, 5910086), (364, 5195680), (392, 4824560), (416, 4546220), (448, 4221490), (455, 4156544), (490, 3859648), (520, 3636976), (560, 3377192), (637, 2968960), (640, 2955043), (728, 2597840), (784, 2412280), (832, 2273110), (896, 2110745), (910, 2078272), (980, 1929824), (1040, 1818488), (1120, 1688596), (1274, 1484480), (1456, 1298920), (1568, 1206140), (1664, 1136555), (1820, 1039136), (1960, 964912), (2080, 909244), (2240, 844298), (2548, 742240), (2912, 649460), (3136, 603070), (3185, 593792), (3640, 519568), (3920, 482456), (4160, 454622), (4480, 422149), (4639, 407680), (5096, 371120), (5824, 324730), (6272, 301535), (6370, 296896), (7280, 259784), (7840, 241228), (8320, 227311), (9278, 203840), (10192, 185560), (11648, 162365), (12740, 148448), (14560, 129892), (15680, 120614), (18556, 101920), (20384, 92780), (23195, 81536), (25480, 74224), (29120, 64946), (31360, 60307), (32473, 58240), (37112, 50960), (40768, 46390)]