279777540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{751}}^1\times {\mathrm{887}}^1$

素因数の和:1657

約数の個数: 96

約数和(自身を含む): 897490944

約数和(自身を除く): 617713404

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, 751, 887, 1502, 1774, 2253, 2661, 3004, 3548, 3755, 4435, 4506, 5257, 5322, 6209, 7510, 8870, 9012, 10514, 10644, 11265, 12418, 13305, 15020, 15771, 17740, 18627, 21028, 22530, 24836, 26285, 26610, 31045, 31542, 37254, 45060, 52570, 53220, 62090, 63084, 74508, 78855, 93135, 105140, 124180, 157710, 186270, 315420, 372540, 666137, 1332274, 1998411, 2664548, 3330685, 3996822, 4662959, 6661370, 7993644, 9325918, 9992055, 13322740, 13988877, 18651836, 19984110, 23314795, 27977754, 39968220, 46629590, 55955508, 69944385, 93259180, 139888770, 279777540]

約数ペア:

[(1, 279777540), (2, 139888770), (3, 93259180), (4, 69944385), (5, 55955508), (6, 46629590), (7, 39968220), (10, 27977754), (12, 23314795), (14, 19984110), (15, 18651836), (20, 13988877), (21, 13322740), (28, 9992055), (30, 9325918), (35, 7993644), (42, 6661370), (60, 4662959), (70, 3996822), (84, 3330685), (105, 2664548), (140, 1998411), (210, 1332274), (420, 666137), (751, 372540), (887, 315420), (1502, 186270), (1774, 157710), (2253, 124180), (2661, 105140), (3004, 93135), (3548, 78855), (3755, 74508), (4435, 63084), (4506, 62090), (5257, 53220), (5322, 52570), (6209, 45060), (7510, 37254), (8870, 31542), (9012, 31045), (10514, 26610), (10644, 26285), (11265, 24836), (12418, 22530), (13305, 21028), (15020, 18627), (15771, 17740)]