129750180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{308929}}^1$

素因数の和:308948

約数の個数: 48

約数和(自身を含む): 415201920

約数和(自身を除く): 285451740

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, 308929, 617858, 926787, 1235716, 1544645, 1853574, 2162503, 3089290, 3707148, 4325006, 4633935, 6178580, 6487509, 8650012, 9267870, 10812515, 12975018, 18535740, 21625030, 25950036, 32437545, 43250060, 64875090, 129750180]

約数ペア:

[(1, 129750180), (2, 64875090), (3, 43250060), (4, 32437545), (5, 25950036), (6, 21625030), (7, 18535740), (10, 12975018), (12, 10812515), (14, 9267870), (15, 8650012), (20, 6487509), (21, 6178580), (28, 4633935), (30, 4325006), (35, 3707148), (42, 3089290), (60, 2162503), (70, 1853574), (84, 1544645), (105, 1235716), (140, 926787), (210, 617858), (420, 308929)]