71872360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{256687}}^1$

素因数の和:256705

約数の個数: 32

約数和(自身を含む): 184815360

約数和(自身を除く): 112943000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 256687, 513374, 1026748, 1283435, 1796809, 2053496, 2566870, 3593618, 5133740, 7187236, 8984045, 10267480, 14374472, 17968090, 35936180, 71872360]

約数ペア:

[(1, 71872360), (2, 35936180), (4, 17968090), (5, 14374472), (7, 10267480), (8, 8984045), (10, 7187236), (14, 5133740), (20, 3593618), (28, 2566870), (35, 2053496), (40, 1796809), (56, 1283435), (70, 1026748), (140, 513374), (280, 256687)]