16289680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{173}}^1$

素因数の和:304

約数の個数: 80

約数和(自身を含む): 41943744

約数和(自身を除く): 25654064

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 107, 110, 173, 176, 214, 220, 346, 428, 440, 535, 692, 856, 865, 880, 1070, 1177, 1384, 1712, 1730, 1903, 2140, 2354, 2768, 3460, 3806, 4280, 4708, 5885, 6920, 7612, 8560, 9416, 9515, 11770, 13840, 15224, 18511, 18832, 19030, 23540, 30448, 37022, 38060, 47080, 74044, 76120, 92555, 94160, 148088, 152240, 185110, 203621, 296176, 370220, 407242, 740440, 814484, 1018105, 1480880, 1628968, 2036210, 3257936, 4072420, 8144840, 16289680]

約数ペア:

[(1, 16289680), (2, 8144840), (4, 4072420), (5, 3257936), (8, 2036210), (10, 1628968), (11, 1480880), (16, 1018105), (20, 814484), (22, 740440), (40, 407242), (44, 370220), (55, 296176), (80, 203621), (88, 185110), (107, 152240), (110, 148088), (173, 94160), (176, 92555), (214, 76120), (220, 74044), (346, 47080), (428, 38060), (440, 37022), (535, 30448), (692, 23540), (856, 19030), (865, 18832), (880, 18511), (1070, 15224), (1177, 13840), (1384, 11770), (1712, 9515), (1730, 9416), (1903, 8560), (2140, 7612), (2354, 6920), (2768, 5885), (3460, 4708), (3806, 4280)]