128823870

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{613447}}^1$

素因数の和:613464

約数の個数: 32

約数和(自身を含む): 353346048

約数和(自身を除く): 224522178

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 613447, 1226894, 1840341, 3067235, 3680682, 4294129, 6134470, 8588258, 9201705, 12882387, 18403410, 21470645, 25764774, 42941290, 64411935, 128823870]

約数ペア:

[(1, 128823870), (2, 64411935), (3, 42941290), (5, 25764774), (6, 21470645), (7, 18403410), (10, 12882387), (14, 9201705), (15, 8588258), (21, 6134470), (30, 4294129), (35, 3680682), (42, 3067235), (70, 1840341), (105, 1226894), (210, 613447)]