157766480

素因数分解:

$2^4\times 5^1\times {\mathrm{643}}^1\times {\mathrm{3067}}^1$

素因数の和:3723

約数の個数: 40

約数和(自身を含む): 367497312

約数和(自身を除く): 209730832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 643, 1286, 2572, 3067, 3215, 5144, 6134, 6430, 10288, 12268, 12860, 15335, 24536, 25720, 30670, 49072, 51440, 61340, 122680, 245360, 1972081, 3944162, 7888324, 9860405, 15776648, 19720810, 31553296, 39441620, 78883240, 157766480]

約数ペア:

[(1, 157766480), (2, 78883240), (4, 39441620), (5, 31553296), (8, 19720810), (10, 15776648), (16, 9860405), (20, 7888324), (40, 3944162), (80, 1972081), (643, 245360), (1286, 122680), (2572, 61340), (3067, 51440), (3215, 49072), (5144, 30670), (6134, 25720), (6430, 24536), (10288, 15335), (12268, 12860)]