628302780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{498653}}^1$

素因数の和:498675

約数の個数: 72

約数和(自身を含む): 2178120672

約数和(自身を除く): 1549817892

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 498653, 997306, 1495959, 1994612, 2493265, 2991918, 3490571, 4487877, 4986530, 5983836, 6981142, 7479795, 8975754, 9973060, 10471713, 13962284, 14959590, 17452855, 17951508, 20943426, 22439385, 29919180, 31415139, 34905710, 41886852, 44878770, 52358565, 62830278, 69811420, 89757540, 104717130, 125660556, 157075695, 209434260, 314151390, 628302780]

約数ペア:

[(1, 628302780), (2, 314151390), (3, 209434260), (4, 157075695), (5, 125660556), (6, 104717130), (7, 89757540), (9, 69811420), (10, 62830278), (12, 52358565), (14, 44878770), (15, 41886852), (18, 34905710), (20, 31415139), (21, 29919180), (28, 22439385), (30, 20943426), (35, 17951508), (36, 17452855), (42, 14959590), (45, 13962284), (60, 10471713), (63, 9973060), (70, 8975754), (84, 7479795), (90, 6981142), (105, 5983836), (126, 4986530), (140, 4487877), (180, 3490571), (210, 2991918), (252, 2493265), (315, 1994612), (420, 1495959), (630, 997306), (1260, 498653)]