31323160

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{277}}^1$

素因数の和:556

約数の個数: 64

約数和(自身を含む): 77461920

約数和(自身を除く): 46138760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 257, 277, 440, 514, 554, 1028, 1108, 1285, 1385, 2056, 2216, 2570, 2770, 2827, 3047, 5140, 5540, 5654, 6094, 10280, 11080, 11308, 12188, 14135, 15235, 22616, 24376, 28270, 30470, 56540, 60940, 71189, 113080, 121880, 142378, 284756, 355945, 569512, 711890, 783079, 1423780, 1566158, 2847560, 3132316, 3915395, 6264632, 7830790, 15661580, 31323160]

約数ペア:

[(1, 31323160), (2, 15661580), (4, 7830790), (5, 6264632), (8, 3915395), (10, 3132316), (11, 2847560), (20, 1566158), (22, 1423780), (40, 783079), (44, 711890), (55, 569512), (88, 355945), (110, 284756), (220, 142378), (257, 121880), (277, 113080), (440, 71189), (514, 60940), (554, 56540), (1028, 30470), (1108, 28270), (1285, 24376), (1385, 22616), (2056, 15235), (2216, 14135), (2570, 12188), (2770, 11308), (2827, 11080), (3047, 10280), (5140, 6094), (5540, 5654)]