28306080

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1787}}^1$

素因数の和:1819

約数の個数: 144

約数和(自身を含む): 105434784

約数和(自身を除く): 77128704

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, 1787, 1980, 2640, 3168, 3574, 3960, 5280, 5361, 7148, 7920, 8935, 10722, 14296, 15840, 16083, 17870, 19657, 21444, 26805, 28592, 32166, 35740, 39314, 42888, 53610, 57184, 58971, 64332, 71480, 78628, 80415, 85776, 98285, 107220, 117942, 128664, 142960, 157256, 160830, 171552, 176913, 196570, 214440, 235884, 257328, 285920, 294855, 314512, 321660, 353826, 393140, 428880, 471768, 514656, 589710, 629024, 643320, 707652, 786280, 857760, 884565, 943536, 1179420, 1286640, 1415304, 1572560, 1769130, 1887072, 2358840, 2573280, 2830608, 3145120, 3538260, 4717680, 5661216, 7076520, 9435360, 14153040, 28306080]

約数ペア:

[(1, 28306080), (2, 14153040), (3, 9435360), (4, 7076520), (5, 5661216), (6, 4717680), (8, 3538260), (9, 3145120), (10, 2830608), (11, 2573280), (12, 2358840), (15, 1887072), (16, 1769130), (18, 1572560), (20, 1415304), (22, 1286640), (24, 1179420), (30, 943536), (32, 884565), (33, 857760), (36, 786280), (40, 707652), (44, 643320), (45, 629024), (48, 589710), (55, 514656), (60, 471768), (66, 428880), (72, 393140), (80, 353826), (88, 321660), (90, 314512), (96, 294855), (99, 285920), (110, 257328), (120, 235884), (132, 214440), (144, 196570), (160, 176913), (165, 171552), (176, 160830), (180, 157256), (198, 142960), (220, 128664), (240, 117942), (264, 107220), (288, 98285), (330, 85776), (352, 80415), (360, 78628), (396, 71480), (440, 64332), (480, 58971), (495, 57184), (528, 53610), (660, 42888), (720, 39314), (792, 35740), (880, 32166), (990, 28592), (1056, 26805), (1320, 21444), (1440, 19657), (1584, 17870), (1760, 16083), (1787, 15840), (1980, 14296), (2640, 10722), (3168, 8935), (3574, 7920), (3960, 7148), (5280, 5361)]