209916480

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{449}}^1\times {\mathrm{487}}^1$

素因数の和:956

約数の個数: 112

約数和(自身を含む): 669340800

約数和(自身を除く): 459424320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 449, 480, 487, 898, 960, 974, 1347, 1461, 1796, 1948, 2245, 2435, 2694, 2922, 3592, 3896, 4490, 4870, 5388, 5844, 6735, 7184, 7305, 7792, 8980, 9740, 10776, 11688, 13470, 14368, 14610, 15584, 17960, 19480, 21552, 23376, 26940, 28736, 29220, 31168, 35920, 38960, 43104, 46752, 53880, 58440, 71840, 77920, 86208, 93504, 107760, 116880, 143680, 155840, 215520, 218663, 233760, 431040, 437326, 467520, 655989, 874652, 1093315, 1311978, 1749304, 2186630, 2623956, 3279945, 3498608, 4373260, 5247912, 6559890, 6997216, 8746520, 10495824, 13119780, 13994432, 17493040, 20991648, 26239560, 34986080, 41983296, 52479120, 69972160, 104958240, 209916480]

約数ペア:

[(1, 209916480), (2, 104958240), (3, 69972160), (4, 52479120), (5, 41983296), (6, 34986080), (8, 26239560), (10, 20991648), (12, 17493040), (15, 13994432), (16, 13119780), (20, 10495824), (24, 8746520), (30, 6997216), (32, 6559890), (40, 5247912), (48, 4373260), (60, 3498608), (64, 3279945), (80, 2623956), (96, 2186630), (120, 1749304), (160, 1311978), (192, 1093315), (240, 874652), (320, 655989), (449, 467520), (480, 437326), (487, 431040), (898, 233760), (960, 218663), (974, 215520), (1347, 155840), (1461, 143680), (1796, 116880), (1948, 107760), (2245, 93504), (2435, 86208), (2694, 77920), (2922, 71840), (3592, 58440), (3896, 53880), (4490, 46752), (4870, 43104), (5388, 38960), (5844, 35920), (6735, 31168), (7184, 29220), (7305, 28736), (7792, 26940), (8980, 23376), (9740, 21552), (10776, 19480), (11688, 17960), (13470, 15584), (14368, 14610)]