16321620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{38861}}^1$

素因数の和:38880

約数の個数: 48

約数和(自身を含む): 52230528

約数和(自身を除く): 35908908

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 38861, 77722, 116583, 155444, 194305, 233166, 272027, 388610, 466332, 544054, 582915, 777220, 816081, 1088108, 1165830, 1360135, 1632162, 2331660, 2720270, 3264324, 4080405, 5440540, 8160810, 16321620]

約数ペア:

[(1, 16321620), (2, 8160810), (3, 5440540), (4, 4080405), (5, 3264324), (6, 2720270), (7, 2331660), (10, 1632162), (12, 1360135), (14, 1165830), (15, 1088108), (20, 816081), (21, 777220), (28, 582915), (30, 544054), (35, 466332), (42, 388610), (60, 272027), (70, 233166), (84, 194305), (105, 155444), (140, 116583), (210, 77722), (420, 38861)]