251268780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{13913}}^1$

素因数の和:13975

約数の個数: 96

約数和(自身を含む): 822818304

約数和(自身を除く): 571549524

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 43, 60, 70, 84, 86, 105, 129, 140, 172, 210, 215, 258, 301, 420, 430, 516, 602, 645, 860, 903, 1204, 1290, 1505, 1806, 2580, 3010, 3612, 4515, 6020, 9030, 13913, 18060, 27826, 41739, 55652, 69565, 83478, 97391, 139130, 166956, 194782, 208695, 278260, 292173, 389564, 417390, 486955, 584346, 598259, 834780, 973910, 1168692, 1196518, 1460865, 1794777, 1947820, 2393036, 2921730, 2991295, 3589554, 4187813, 5843460, 5982590, 7179108, 8375626, 8973885, 11965180, 12563439, 16751252, 17947770, 20939065, 25126878, 35895540, 41878130, 50253756, 62817195, 83756260, 125634390, 251268780]

約数ペア:

[(1, 251268780), (2, 125634390), (3, 83756260), (4, 62817195), (5, 50253756), (6, 41878130), (7, 35895540), (10, 25126878), (12, 20939065), (14, 17947770), (15, 16751252), (20, 12563439), (21, 11965180), (28, 8973885), (30, 8375626), (35, 7179108), (42, 5982590), (43, 5843460), (60, 4187813), (70, 3589554), (84, 2991295), (86, 2921730), (105, 2393036), (129, 1947820), (140, 1794777), (172, 1460865), (210, 1196518), (215, 1168692), (258, 973910), (301, 834780), (420, 598259), (430, 584346), (516, 486955), (602, 417390), (645, 389564), (860, 292173), (903, 278260), (1204, 208695), (1290, 194782), (1505, 166956), (1806, 139130), (2580, 97391), (3010, 83478), (3612, 69565), (4515, 55652), (6020, 41739), (9030, 27826), (13913, 18060)]