71557040

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{263}}^1$

素因数の和:474

約数の個数: 80

約数和(自身を含む): 176774400

約数和(自身を除く): 105217360

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 179, 190, 263, 304, 358, 380, 526, 716, 760, 895, 1052, 1315, 1432, 1520, 1790, 2104, 2630, 2864, 3401, 3580, 4208, 4997, 5260, 6802, 7160, 9994, 10520, 13604, 14320, 17005, 19988, 21040, 24985, 27208, 34010, 39976, 47077, 49970, 54416, 68020, 79952, 94154, 99940, 136040, 188308, 199880, 235385, 272080, 376616, 399760, 470770, 753232, 894463, 941540, 1788926, 1883080, 3577852, 3766160, 4472315, 7155704, 8944630, 14311408, 17889260, 35778520, 71557040]

約数ペア:

[(1, 71557040), (2, 35778520), (4, 17889260), (5, 14311408), (8, 8944630), (10, 7155704), (16, 4472315), (19, 3766160), (20, 3577852), (38, 1883080), (40, 1788926), (76, 941540), (80, 894463), (95, 753232), (152, 470770), (179, 399760), (190, 376616), (263, 272080), (304, 235385), (358, 199880), (380, 188308), (526, 136040), (716, 99940), (760, 94154), (895, 79952), (1052, 68020), (1315, 54416), (1432, 49970), (1520, 47077), (1790, 39976), (2104, 34010), (2630, 27208), (2864, 24985), (3401, 21040), (3580, 19988), (4208, 17005), (4997, 14320), (5260, 13604), (6802, 10520), (7160, 9994)]