80127560

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{179}}^1$

素因数の和:259

約数の個数: 96

約数和(自身を含む): 197510400

約数和(自身を除く): 117382840

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 62, 76, 95, 124, 152, 155, 179, 190, 248, 310, 358, 361, 380, 589, 620, 716, 722, 760, 895, 1178, 1240, 1432, 1444, 1790, 1805, 2356, 2888, 2945, 3401, 3580, 3610, 4712, 5549, 5890, 6802, 7160, 7220, 11098, 11191, 11780, 13604, 14440, 17005, 22196, 22382, 23560, 27208, 27745, 34010, 44392, 44764, 55490, 55955, 64619, 68020, 89528, 105431, 110980, 111910, 129238, 136040, 210862, 221960, 223820, 258476, 323095, 421724, 447640, 516952, 527155, 646190, 843448, 1054310, 1292380, 2003189, 2108620, 2584760, 4006378, 4217240, 8012756, 10015945, 16025512, 20031890, 40063780, 80127560]

約数ペア:

[(1, 80127560), (2, 40063780), (4, 20031890), (5, 16025512), (8, 10015945), (10, 8012756), (19, 4217240), (20, 4006378), (31, 2584760), (38, 2108620), (40, 2003189), (62, 1292380), (76, 1054310), (95, 843448), (124, 646190), (152, 527155), (155, 516952), (179, 447640), (190, 421724), (248, 323095), (310, 258476), (358, 223820), (361, 221960), (380, 210862), (589, 136040), (620, 129238), (716, 111910), (722, 110980), (760, 105431), (895, 89528), (1178, 68020), (1240, 64619), (1432, 55955), (1444, 55490), (1790, 44764), (1805, 44392), (2356, 34010), (2888, 27745), (2945, 27208), (3401, 23560), (3580, 22382), (3610, 22196), (4712, 17005), (5549, 14440), (5890, 13604), (6802, 11780), (7160, 11191), (7220, 11098)]