122177920

素因数分解:

$2^7\times 5^1\times {\mathrm{349}}^1\times {\mathrm{547}}^1$

素因数の和:915

約数の個数: 64

約数和(自身を含む): 293454000

約数和(自身を除く): 171276080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 349, 547, 640, 698, 1094, 1396, 1745, 2188, 2735, 2792, 3490, 4376, 5470, 5584, 6980, 8752, 10940, 11168, 13960, 17504, 21880, 22336, 27920, 35008, 43760, 44672, 55840, 70016, 87520, 111680, 175040, 190903, 223360, 350080, 381806, 763612, 954515, 1527224, 1909030, 3054448, 3818060, 6108896, 7636120, 12217792, 15272240, 24435584, 30544480, 61088960, 122177920]

約数ペア:

[(1, 122177920), (2, 61088960), (4, 30544480), (5, 24435584), (8, 15272240), (10, 12217792), (16, 7636120), (20, 6108896), (32, 3818060), (40, 3054448), (64, 1909030), (80, 1527224), (128, 954515), (160, 763612), (320, 381806), (349, 350080), (547, 223360), (640, 190903), (698, 175040), (1094, 111680), (1396, 87520), (1745, 70016), (2188, 55840), (2735, 44672), (2792, 43760), (3490, 35008), (4376, 27920), (5470, 22336), (5584, 21880), (6980, 17504), (8752, 13960), (10940, 11168)]