287098740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{661}}^1$

素因数の和:822

約数の個数: 144

約数和(自身を含む): 925317120

約数和(自身を除く): 638218380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 127, 171, 180, 190, 228, 254, 285, 342, 380, 381, 508, 570, 635, 661, 684, 762, 855, 1140, 1143, 1270, 1322, 1524, 1710, 1905, 1983, 2286, 2413, 2540, 2644, 3305, 3420, 3810, 3966, 4572, 4826, 5715, 5949, 6610, 7239, 7620, 7932, 9652, 9915, 11430, 11898, 12065, 12559, 13220, 14478, 19830, 21717, 22860, 23796, 24130, 25118, 28956, 29745, 36195, 37677, 39660, 43434, 48260, 50236, 59490, 62795, 72390, 75354, 83947, 86868, 108585, 113031, 118980, 125590, 144780, 150708, 167894, 188385, 217170, 226062, 251180, 251841, 335788, 376770, 419735, 434340, 452124, 503682, 565155, 753540, 755523, 839470, 1007364, 1130310, 1259205, 1511046, 1594993, 1678940, 2260620, 2518410, 3022092, 3189986, 3777615, 4784979, 5036820, 6379972, 7555230, 7974965, 9569958, 14354937, 15110460, 15949930, 19139916, 23924895, 28709874, 31899860, 47849790, 57419748, 71774685, 95699580, 143549370, 287098740]

約数ペア:

[(1, 287098740), (2, 143549370), (3, 95699580), (4, 71774685), (5, 57419748), (6, 47849790), (9, 31899860), (10, 28709874), (12, 23924895), (15, 19139916), (18, 15949930), (19, 15110460), (20, 14354937), (30, 9569958), (36, 7974965), (38, 7555230), (45, 6379972), (57, 5036820), (60, 4784979), (76, 3777615), (90, 3189986), (95, 3022092), (114, 2518410), (127, 2260620), (171, 1678940), (180, 1594993), (190, 1511046), (228, 1259205), (254, 1130310), (285, 1007364), (342, 839470), (380, 755523), (381, 753540), (508, 565155), (570, 503682), (635, 452124), (661, 434340), (684, 419735), (762, 376770), (855, 335788), (1140, 251841), (1143, 251180), (1270, 226062), (1322, 217170), (1524, 188385), (1710, 167894), (1905, 150708), (1983, 144780), (2286, 125590), (2413, 118980), (2540, 113031), (2644, 108585), (3305, 86868), (3420, 83947), (3810, 75354), (3966, 72390), (4572, 62795), (4826, 59490), (5715, 50236), (5949, 48260), (6610, 43434), (7239, 39660), (7620, 37677), (7932, 36195), (9652, 29745), (9915, 28956), (11430, 25118), (11898, 24130), (12065, 23796), (12559, 22860), (13220, 21717), (14478, 19830)]