281982960

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{55949}}^1$

素因数の和:55975

約数の個数: 120

約数和(自身を含む): 1082296800

約数和(自身を除く): 800313840

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, 55949, 111898, 167847, 223796, 279745, 335694, 391643, 447592, 503541, 559490, 671388, 783286, 839235, 895184, 1007082, 1118980, 1174929, 1342776, 1566572, 1678470, 1958215, 2014164, 2237960, 2349858, 2517705, 2685552, 3133144, 3356940, 3524787, 3916430, 4028328, 4475920, 4699716, 5035410, 5874645, 6266288, 6713880, 7049574, 7832860, 8056656, 9399432, 10070820, 11749290, 13427760, 14099148, 15665720, 17623935, 18798864, 20141640, 23498580, 28198296, 31331440, 35247870, 40283280, 46997160, 56396592, 70495740, 93994320, 140991480, 281982960]

約数ペア:

[(1, 281982960), (2, 140991480), (3, 93994320), (4, 70495740), (5, 56396592), (6, 46997160), (7, 40283280), (8, 35247870), (9, 31331440), (10, 28198296), (12, 23498580), (14, 20141640), (15, 18798864), (16, 17623935), (18, 15665720), (20, 14099148), (21, 13427760), (24, 11749290), (28, 10070820), (30, 9399432), (35, 8056656), (36, 7832860), (40, 7049574), (42, 6713880), (45, 6266288), (48, 5874645), (56, 5035410), (60, 4699716), (63, 4475920), (70, 4028328), (72, 3916430), (80, 3524787), (84, 3356940), (90, 3133144), (105, 2685552), (112, 2517705), (120, 2349858), (126, 2237960), (140, 2014164), (144, 1958215), (168, 1678470), (180, 1566572), (210, 1342776), (240, 1174929), (252, 1118980), (280, 1007082), (315, 895184), (336, 839235), (360, 783286), (420, 671388), (504, 559490), (560, 503541), (630, 447592), (720, 391643), (840, 335694), (1008, 279745), (1260, 223796), (1680, 167847), (2520, 111898), (5040, 55949)]