55621860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{18919}}^1$

素因数の和:18945

約数の個数: 72

約数和(自身を含む): 181177920

約数和(自身を除く): 125556060

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 18919, 37838, 56757, 75676, 94595, 113514, 132433, 189190, 227028, 264866, 283785, 378380, 397299, 529732, 567570, 662165, 794598, 927031, 1135140, 1324330, 1589196, 1854062, 1986495, 2648660, 2781093, 3708124, 3972990, 4635155, 5562186, 7945980, 9270310, 11124372, 13905465, 18540620, 27810930, 55621860]

約数ペア:

[(1, 55621860), (2, 27810930), (3, 18540620), (4, 13905465), (5, 11124372), (6, 9270310), (7, 7945980), (10, 5562186), (12, 4635155), (14, 3972990), (15, 3708124), (20, 2781093), (21, 2648660), (28, 1986495), (30, 1854062), (35, 1589196), (42, 1324330), (49, 1135140), (60, 927031), (70, 794598), (84, 662165), (98, 567570), (105, 529732), (140, 397299), (147, 378380), (196, 283785), (210, 264866), (245, 227028), (294, 189190), (420, 132433), (490, 113514), (588, 94595), (735, 75676), (980, 56757), (1470, 37838), (2940, 18919)]