261822960

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{51949}}^1$

素因数の和:51975

約数の個数: 120

約数和(自身を含む): 1004920800

約数和(自身を除く): 743097840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 51949, 103898, 155847, 207796, 259745, 311694, 363643, 415592, 467541, 519490, 623388, 727286, 779235, 831184, 935082, 1038980, 1090929, 1246776, 1454572, 1558470, 1818215, 1870164, 2077960, 2181858, 2337705, 2493552, 2909144, 3116940, 3272787, 3636430, 3740328, 4155920, 4363716, 4675410, 5454645, 5818288, 6233880, 6545574, 7272860, 7480656, 8727432, 9350820, 10909290, 12467760, 13091148, 14545720, 16363935, 17454864, 18701640, 21818580, 26182296, 29091440, 32727870, 37403280, 43637160, 52364592, 65455740, 87274320, 130911480, 261822960]

約数ペア:

[(1, 261822960), (2, 130911480), (3, 87274320), (4, 65455740), (5, 52364592), (6, 43637160), (7, 37403280), (8, 32727870), (9, 29091440), (10, 26182296), (12, 21818580), (14, 18701640), (15, 17454864), (16, 16363935), (18, 14545720), (20, 13091148), (21, 12467760), (24, 10909290), (28, 9350820), (30, 8727432), (35, 7480656), (36, 7272860), (40, 6545574), (42, 6233880), (45, 5818288), (48, 5454645), (56, 4675410), (60, 4363716), (63, 4155920), (70, 3740328), (72, 3636430), (80, 3272787), (84, 3116940), (90, 2909144), (105, 2493552), (112, 2337705), (120, 2181858), (126, 2077960), (140, 1870164), (144, 1818215), (168, 1558470), (180, 1454572), (210, 1246776), (240, 1090929), (252, 1038980), (280, 935082), (315, 831184), (336, 779235), (360, 727286), (420, 623388), (504, 519490), (560, 467541), (630, 415592), (720, 363643), (840, 311694), (1008, 259745), (1260, 207796), (1680, 155847), (2520, 103898), (5040, 51949)]