72047080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{257311}}^1$

素因数の和:257329

約数の個数: 32

約数和(自身を含む): 185264640

約数和(自身を除く): 113217560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 257311, 514622, 1029244, 1286555, 1801177, 2058488, 2573110, 3602354, 5146220, 7204708, 9005885, 10292440, 14409416, 18011770, 36023540, 72047080]

約数ペア:

[(1, 72047080), (2, 36023540), (4, 18011770), (5, 14409416), (7, 10292440), (8, 9005885), (10, 7204708), (14, 5146220), (20, 3602354), (28, 2573110), (35, 2058488), (40, 1801177), (56, 1286555), (70, 1029244), (140, 514622), (280, 257311)]