328753320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{391373}}^1$

素因数の和:391394

約数の個数: 64

約数和(自身を含む): 1127157120

約数和(自身を除く): 798403800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 391373, 782746, 1174119, 1565492, 1956865, 2348238, 2739611, 3130984, 3913730, 4696476, 5479222, 5870595, 7827460, 8218833, 9392952, 10958444, 11741190, 13698055, 15654920, 16437666, 21916888, 23482380, 27396110, 32875332, 41094165, 46964760, 54792220, 65750664, 82188330, 109584440, 164376660, 328753320]

約数ペア:

[(1, 328753320), (2, 164376660), (3, 109584440), (4, 82188330), (5, 65750664), (6, 54792220), (7, 46964760), (8, 41094165), (10, 32875332), (12, 27396110), (14, 23482380), (15, 21916888), (20, 16437666), (21, 15654920), (24, 13698055), (28, 11741190), (30, 10958444), (35, 9392952), (40, 8218833), (42, 7827460), (56, 5870595), (60, 5479222), (70, 4696476), (84, 3913730), (105, 3130984), (120, 2739611), (140, 2348238), (168, 1956865), (210, 1565492), (280, 1174119), (420, 782746), (840, 391373)]