68089980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{162119}}^1$

素因数の和:162138

約数の個数: 48

約数和(自身を含む): 217889280

約数和(自身を除く): 149799300

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, 162119, 324238, 486357, 648476, 810595, 972714, 1134833, 1621190, 1945428, 2269666, 2431785, 3242380, 3404499, 4539332, 4863570, 5674165, 6808998, 9727140, 11348330, 13617996, 17022495, 22696660, 34044990, 68089980]

約数ペア:

[(1, 68089980), (2, 34044990), (3, 22696660), (4, 17022495), (5, 13617996), (6, 11348330), (7, 9727140), (10, 6808998), (12, 5674165), (14, 4863570), (15, 4539332), (20, 3404499), (21, 3242380), (28, 2431785), (30, 2269666), (35, 1945428), (42, 1621190), (60, 1134833), (70, 972714), (84, 810595), (105, 648476), (140, 486357), (210, 324238), (420, 162119)]