256876410

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{28447}}^1$

素因数の和:28507

約数の個数: 64

約数和(自身を含む): 720986112

約数和(自身を除く): 464109702

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 43, 70, 86, 105, 129, 210, 215, 258, 301, 430, 602, 645, 903, 1290, 1505, 1806, 3010, 4515, 9030, 28447, 56894, 85341, 142235, 170682, 199129, 284470, 398258, 426705, 597387, 853410, 995645, 1194774, 1223221, 1991290, 2446442, 2986935, 3669663, 5973870, 6116105, 7339326, 8562547, 12232210, 17125094, 18348315, 25687641, 36696630, 42812735, 51375282, 85625470, 128438205, 256876410]

約数ペア:

[(1, 256876410), (2, 128438205), (3, 85625470), (5, 51375282), (6, 42812735), (7, 36696630), (10, 25687641), (14, 18348315), (15, 17125094), (21, 12232210), (30, 8562547), (35, 7339326), (42, 6116105), (43, 5973870), (70, 3669663), (86, 2986935), (105, 2446442), (129, 1991290), (210, 1223221), (215, 1194774), (258, 995645), (301, 853410), (430, 597387), (602, 426705), (645, 398258), (903, 284470), (1290, 199129), (1505, 170682), (1806, 142235), (3010, 85341), (4515, 56894), (9030, 28447)]