28337760

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1789}}^1$

素因数の和:1821

約数の個数: 144

約数和(自身を含む): 105552720

約数和(自身を除く): 77214960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 96, 99, 110, 120, 132, 144, 160, 165, 176, 180, 198, 220, 240, 264, 288, 330, 352, 360, 396, 440, 480, 495, 528, 660, 720, 792, 880, 990, 1056, 1320, 1440, 1584, 1760, 1789, 1980, 2640, 3168, 3578, 3960, 5280, 5367, 7156, 7920, 8945, 10734, 14312, 15840, 16101, 17890, 19679, 21468, 26835, 28624, 32202, 35780, 39358, 42936, 53670, 57248, 59037, 64404, 71560, 78716, 80505, 85872, 98395, 107340, 118074, 128808, 143120, 157432, 161010, 171744, 177111, 196790, 214680, 236148, 257616, 286240, 295185, 314864, 322020, 354222, 393580, 429360, 472296, 515232, 590370, 629728, 644040, 708444, 787160, 858720, 885555, 944592, 1180740, 1288080, 1416888, 1574320, 1771110, 1889184, 2361480, 2576160, 2833776, 3148640, 3542220, 4722960, 5667552, 7084440, 9445920, 14168880, 28337760]

約数ペア:

[(1, 28337760), (2, 14168880), (3, 9445920), (4, 7084440), (5, 5667552), (6, 4722960), (8, 3542220), (9, 3148640), (10, 2833776), (11, 2576160), (12, 2361480), (15, 1889184), (16, 1771110), (18, 1574320), (20, 1416888), (22, 1288080), (24, 1180740), (30, 944592), (32, 885555), (33, 858720), (36, 787160), (40, 708444), (44, 644040), (45, 629728), (48, 590370), (55, 515232), (60, 472296), (66, 429360), (72, 393580), (80, 354222), (88, 322020), (90, 314864), (96, 295185), (99, 286240), (110, 257616), (120, 236148), (132, 214680), (144, 196790), (160, 177111), (165, 171744), (176, 161010), (180, 157432), (198, 143120), (220, 128808), (240, 118074), (264, 107340), (288, 98395), (330, 85872), (352, 80505), (360, 78716), (396, 71560), (440, 64404), (480, 59037), (495, 57248), (528, 53670), (660, 42936), (720, 39358), (792, 35780), (880, 32202), (990, 28624), (1056, 26835), (1320, 21468), (1440, 19679), (1584, 17890), (1760, 16101), (1789, 15840), (1980, 14312), (2640, 10734), (3168, 8945), (3578, 7920), (3960, 7156), (5280, 5367)]