79760560

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{233}}^1\times {\mathrm{389}}^1$

素因数の和:646

約数の個数: 80

約数和(自身を含む): 203692320

約数和(自身を除く): 123931760

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 233, 389, 440, 466, 778, 880, 932, 1165, 1556, 1864, 1945, 2330, 2563, 3112, 3728, 3890, 4279, 4660, 5126, 6224, 7780, 8558, 9320, 10252, 12815, 15560, 17116, 18640, 20504, 21395, 25630, 31120, 34232, 41008, 42790, 51260, 68464, 85580, 90637, 102520, 171160, 181274, 205040, 342320, 362548, 453185, 725096, 906370, 997007, 1450192, 1812740, 1994014, 3625480, 3988028, 4985035, 7250960, 7976056, 9970070, 15952112, 19940140, 39880280, 79760560]

約数ペア:

[(1, 79760560), (2, 39880280), (4, 19940140), (5, 15952112), (8, 9970070), (10, 7976056), (11, 7250960), (16, 4985035), (20, 3988028), (22, 3625480), (40, 1994014), (44, 1812740), (55, 1450192), (80, 997007), (88, 906370), (110, 725096), (176, 453185), (220, 362548), (233, 342320), (389, 205040), (440, 181274), (466, 171160), (778, 102520), (880, 90637), (932, 85580), (1165, 68464), (1556, 51260), (1864, 42790), (1945, 41008), (2330, 34232), (2563, 31120), (3112, 25630), (3728, 21395), (3890, 20504), (4279, 18640), (4660, 17116), (5126, 15560), (6224, 12815), (7780, 10252), (8558, 9320)]