203643440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2543}}^1$

素因数の和:2587

約数の個数: 160

約数和(自身を含む): 635959296

約数和(自身を除く): 432315856

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 16, 20, 22, 26, 28, 35, 40, 44, 52, 55, 56, 65, 70, 77, 80, 88, 91, 104, 110, 112, 130, 140, 143, 154, 176, 182, 208, 220, 260, 280, 286, 308, 364, 385, 440, 455, 520, 560, 572, 616, 715, 728, 770, 880, 910, 1001, 1040, 1144, 1232, 1430, 1456, 1540, 1820, 2002, 2288, 2543, 2860, 3080, 3640, 4004, 5005, 5086, 5720, 6160, 7280, 8008, 10010, 10172, 11440, 12715, 16016, 17801, 20020, 20344, 25430, 27973, 33059, 35602, 40040, 40688, 50860, 55946, 66118, 71204, 80080, 89005, 101720, 111892, 132236, 139865, 142408, 165295, 178010, 195811, 203440, 223784, 231413, 264472, 279730, 284816, 330590, 356020, 363649, 391622, 447568, 462826, 528944, 559460, 661180, 712040, 727298, 783244, 925652, 979055, 1118920, 1157065, 1322360, 1424080, 1454596, 1566488, 1818245, 1851304, 1958110, 2237840, 2314130, 2545543, 2644720, 2909192, 3132976, 3636490, 3702608, 3916220, 4628260, 5091086, 5818384, 7272980, 7832440, 9256520, 10182172, 12727715, 14545960, 15664880, 18513040, 20364344, 25455430, 29091920, 40728688, 50910860, 101821720, 203643440]

約数ペア:

[(1, 203643440), (2, 101821720), (4, 50910860), (5, 40728688), (7, 29091920), (8, 25455430), (10, 20364344), (11, 18513040), (13, 15664880), (14, 14545960), (16, 12727715), (20, 10182172), (22, 9256520), (26, 7832440), (28, 7272980), (35, 5818384), (40, 5091086), (44, 4628260), (52, 3916220), (55, 3702608), (56, 3636490), (65, 3132976), (70, 2909192), (77, 2644720), (80, 2545543), (88, 2314130), (91, 2237840), (104, 1958110), (110, 1851304), (112, 1818245), (130, 1566488), (140, 1454596), (143, 1424080), (154, 1322360), (176, 1157065), (182, 1118920), (208, 979055), (220, 925652), (260, 783244), (280, 727298), (286, 712040), (308, 661180), (364, 559460), (385, 528944), (440, 462826), (455, 447568), (520, 391622), (560, 363649), (572, 356020), (616, 330590), (715, 284816), (728, 279730), (770, 264472), (880, 231413), (910, 223784), (1001, 203440), (1040, 195811), (1144, 178010), (1232, 165295), (1430, 142408), (1456, 139865), (1540, 132236), (1820, 111892), (2002, 101720), (2288, 89005), (2543, 80080), (2860, 71204), (3080, 66118), (3640, 55946), (4004, 50860), (5005, 40688), (5086, 40040), (5720, 35602), (6160, 33059), (7280, 27973), (8008, 25430), (10010, 20344), (10172, 20020), (11440, 17801), (12715, 16016)]