279968220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{222197}}^1$

素因数の和:222219

約数の個数: 72

約数和(自身を含む): 970560864

約数和(自身を除く): 690592644

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, 222197, 444394, 666591, 888788, 1110985, 1333182, 1555379, 1999773, 2221970, 2666364, 3110758, 3332955, 3999546, 4443940, 4666137, 6221516, 6665910, 7776895, 7999092, 9332274, 9998865, 13331820, 13998411, 15553790, 18664548, 19997730, 23330685, 27996822, 31107580, 39995460, 46661370, 55993644, 69992055, 93322740, 139984110, 279968220]

約数ペア:

[(1, 279968220), (2, 139984110), (3, 93322740), (4, 69992055), (5, 55993644), (6, 46661370), (7, 39995460), (9, 31107580), (10, 27996822), (12, 23330685), (14, 19997730), (15, 18664548), (18, 15553790), (20, 13998411), (21, 13331820), (28, 9998865), (30, 9332274), (35, 7999092), (36, 7776895), (42, 6665910), (45, 6221516), (60, 4666137), (63, 4443940), (70, 3999546), (84, 3332955), (90, 3110758), (105, 2666364), (126, 2221970), (140, 1999773), (180, 1555379), (210, 1333182), (252, 1110985), (315, 888788), (420, 666591), (630, 444394), (1260, 222197)]