53809980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{128119}}^1$

素因数の和:128138

約数の個数: 48

約数和(自身を含む): 172193280

約数和(自身を除く): 118383300

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, 128119, 256238, 384357, 512476, 640595, 768714, 896833, 1281190, 1537428, 1793666, 1921785, 2562380, 2690499, 3587332, 3843570, 4484165, 5380998, 7687140, 8968330, 10761996, 13452495, 17936660, 26904990, 53809980]

約数ペア:

[(1, 53809980), (2, 26904990), (3, 17936660), (4, 13452495), (5, 10761996), (6, 8968330), (7, 7687140), (10, 5380998), (12, 4484165), (14, 3843570), (15, 3587332), (20, 2690499), (21, 2562380), (28, 1921785), (30, 1793666), (35, 1537428), (42, 1281190), (60, 896833), (70, 768714), (84, 640595), (105, 512476), (140, 384357), (210, 256238), (420, 128119)]