8723820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{20771}}^1$

素因数の和:20790

約数の個数: 48

約数和(自身を含む): 27917568

約数和(自身を除く): 19193748

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 20771, 41542, 62313, 83084, 103855, 124626, 145397, 207710, 249252, 290794, 311565, 415420, 436191, 581588, 623130, 726985, 872382, 1246260, 1453970, 1744764, 2180955, 2907940, 4361910, 8723820]

約数ペア:

[(1, 8723820), (2, 4361910), (3, 2907940), (4, 2180955), (5, 1744764), (6, 1453970), (7, 1246260), (10, 872382), (12, 726985), (14, 623130), (15, 581588), (20, 436191), (21, 415420), (28, 311565), (30, 290794), (35, 249252), (42, 207710), (60, 145397), (70, 124626), (84, 103855), (105, 83084), (140, 62313), (210, 41542), (420, 20771)]