165729520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{4007}}^1$

素因数の和:4078

約数の個数: 80

約数和(自身を含む): 429401088

約数和(自身を除く): 263671568

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 47, 55, 80, 88, 94, 110, 176, 188, 220, 235, 376, 440, 470, 517, 752, 880, 940, 1034, 1880, 2068, 2585, 3760, 4007, 4136, 5170, 8014, 8272, 10340, 16028, 20035, 20680, 32056, 40070, 41360, 44077, 64112, 80140, 88154, 160280, 176308, 188329, 220385, 320560, 352616, 376658, 440770, 705232, 753316, 881540, 941645, 1506632, 1763080, 1883290, 2071619, 3013264, 3526160, 3766580, 4143238, 7533160, 8286476, 10358095, 15066320, 16572952, 20716190, 33145904, 41432380, 82864760, 165729520]

約数ペア:

[(1, 165729520), (2, 82864760), (4, 41432380), (5, 33145904), (8, 20716190), (10, 16572952), (11, 15066320), (16, 10358095), (20, 8286476), (22, 7533160), (40, 4143238), (44, 3766580), (47, 3526160), (55, 3013264), (80, 2071619), (88, 1883290), (94, 1763080), (110, 1506632), (176, 941645), (188, 881540), (220, 753316), (235, 705232), (376, 440770), (440, 376658), (470, 352616), (517, 320560), (752, 220385), (880, 188329), (940, 176308), (1034, 160280), (1880, 88154), (2068, 80140), (2585, 64112), (3760, 44077), (4007, 41360), (4136, 40070), (5170, 32056), (8014, 20680), (8272, 20035), (10340, 16028)]