16964820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{307}}^2$

素因数の和:629

約数の個数: 54

約数和(自身を含む): 51628122

約数和(自身を除く): 34663302

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 307, 614, 921, 1228, 1535, 1842, 2763, 3070, 3684, 4605, 5526, 6140, 9210, 11052, 13815, 18420, 27630, 55260, 94249, 188498, 282747, 376996, 471245, 565494, 848241, 942490, 1130988, 1413735, 1696482, 1884980, 2827470, 3392964, 4241205, 5654940, 8482410, 16964820]

約数ペア:

[(1, 16964820), (2, 8482410), (3, 5654940), (4, 4241205), (5, 3392964), (6, 2827470), (9, 1884980), (10, 1696482), (12, 1413735), (15, 1130988), (18, 942490), (20, 848241), (30, 565494), (36, 471245), (45, 376996), (60, 282747), (90, 188498), (180, 94249), (307, 55260), (614, 27630), (921, 18420), (1228, 13815), (1535, 11052), (1842, 9210), (2763, 6140), (3070, 5526), (3684, 4605)]