67939620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{161761}}^1$

素因数の和:161780

約数の個数: 48

約数和(自身を含む): 217408128

約数和(自身を除く): 149468508

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, 161761, 323522, 485283, 647044, 808805, 970566, 1132327, 1617610, 1941132, 2264654, 2426415, 3235220, 3396981, 4529308, 4852830, 5661635, 6793962, 9705660, 11323270, 13587924, 16984905, 22646540, 33969810, 67939620]

約数ペア:

[(1, 67939620), (2, 33969810), (3, 22646540), (4, 16984905), (5, 13587924), (6, 11323270), (7, 9705660), (10, 6793962), (12, 5661635), (14, 4852830), (15, 4529308), (20, 3396981), (21, 3235220), (28, 2426415), (30, 2264654), (35, 1941132), (42, 1617610), (60, 1132327), (70, 970566), (84, 808805), (105, 647044), (140, 485283), (210, 323522), (420, 161761)]