71292760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{293}}^1$

素因数の和:401

約数の個数: 128

約数和(自身を含む): 203212800

約数和(自身を除く): 131920040

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 79, 88, 110, 140, 154, 158, 220, 280, 293, 308, 316, 385, 395, 440, 553, 586, 616, 632, 770, 790, 869, 1106, 1172, 1465, 1540, 1580, 1738, 2051, 2212, 2344, 2765, 2930, 3080, 3160, 3223, 3476, 4102, 4345, 4424, 5530, 5860, 6083, 6446, 6952, 8204, 8690, 10255, 11060, 11720, 12166, 12892, 16115, 16408, 17380, 20510, 22120, 22561, 23147, 24332, 25784, 30415, 32230, 34760, 41020, 45122, 46294, 48664, 60830, 64460, 82040, 90244, 92588, 112805, 115735, 121660, 128920, 162029, 180488, 185176, 225610, 231470, 243320, 254617, 324058, 451220, 462940, 509234, 648116, 810145, 902440, 925880, 1018468, 1273085, 1296232, 1620290, 1782319, 2036936, 2546170, 3240580, 3564638, 5092340, 6481160, 7129276, 8911595, 10184680, 14258552, 17823190, 35646380, 71292760]

約数ペア:

[(1, 71292760), (2, 35646380), (4, 17823190), (5, 14258552), (7, 10184680), (8, 8911595), (10, 7129276), (11, 6481160), (14, 5092340), (20, 3564638), (22, 3240580), (28, 2546170), (35, 2036936), (40, 1782319), (44, 1620290), (55, 1296232), (56, 1273085), (70, 1018468), (77, 925880), (79, 902440), (88, 810145), (110, 648116), (140, 509234), (154, 462940), (158, 451220), (220, 324058), (280, 254617), (293, 243320), (308, 231470), (316, 225610), (385, 185176), (395, 180488), (440, 162029), (553, 128920), (586, 121660), (616, 115735), (632, 112805), (770, 92588), (790, 90244), (869, 82040), (1106, 64460), (1172, 60830), (1465, 48664), (1540, 46294), (1580, 45122), (1738, 41020), (2051, 34760), (2212, 32230), (2344, 30415), (2765, 25784), (2930, 24332), (3080, 23147), (3160, 22561), (3223, 22120), (3476, 20510), (4102, 17380), (4345, 16408), (4424, 16115), (5530, 12892), (5860, 12166), (6083, 11720), (6446, 11060), (6952, 10255), (8204, 8690)]