72412620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{172411}}^1$

素因数の和:172430

約数の個数: 48

約数和(自身を含む): 231721728

約数和(自身を除く): 159309108

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, 172411, 344822, 517233, 689644, 862055, 1034466, 1206877, 1724110, 2068932, 2413754, 2586165, 3448220, 3620631, 4827508, 5172330, 6034385, 7241262, 10344660, 12068770, 14482524, 18103155, 24137540, 36206310, 72412620]

約数ペア:

[(1, 72412620), (2, 36206310), (3, 24137540), (4, 18103155), (5, 14482524), (6, 12068770), (7, 10344660), (10, 7241262), (12, 6034385), (14, 5172330), (15, 4827508), (20, 3620631), (21, 3448220), (28, 2586165), (30, 2413754), (35, 2068932), (42, 1724110), (60, 1206877), (70, 1034466), (84, 862055), (105, 689644), (140, 517233), (210, 344822), (420, 172411)]