30777680

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{389}}^1$

素因数の和:468

約数の個数: 80

約数和(自身を含む): 76602240

約数和(自身を除く): 45824560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 43, 46, 80, 86, 92, 115, 172, 184, 215, 230, 344, 368, 389, 430, 460, 688, 778, 860, 920, 989, 1556, 1720, 1840, 1945, 1978, 3112, 3440, 3890, 3956, 4945, 6224, 7780, 7912, 8947, 9890, 15560, 15824, 16727, 17894, 19780, 31120, 33454, 35788, 39560, 44735, 66908, 71576, 79120, 83635, 89470, 133816, 143152, 167270, 178940, 267632, 334540, 357880, 384721, 669080, 715760, 769442, 1338160, 1538884, 1923605, 3077768, 3847210, 6155536, 7694420, 15388840, 30777680]

約数ペア:

[(1, 30777680), (2, 15388840), (4, 7694420), (5, 6155536), (8, 3847210), (10, 3077768), (16, 1923605), (20, 1538884), (23, 1338160), (40, 769442), (43, 715760), (46, 669080), (80, 384721), (86, 357880), (92, 334540), (115, 267632), (172, 178940), (184, 167270), (215, 143152), (230, 133816), (344, 89470), (368, 83635), (389, 79120), (430, 71576), (460, 66908), (688, 44735), (778, 39560), (860, 35788), (920, 33454), (989, 31120), (1556, 19780), (1720, 17894), (1840, 16727), (1945, 15824), (1978, 15560), (3112, 9890), (3440, 8947), (3890, 7912), (3956, 7780), (4945, 6224)]