157708880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{281623}}^1$

素因数の和:281643

約数の個数: 40

約数和(自身を含む): 419056512

約数和(自身を除く): 261347632

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 281623, 563246, 1126492, 1408115, 1971361, 2252984, 2816230, 3942722, 4505968, 5632460, 7885444, 9856805, 11264920, 15770888, 19713610, 22529840, 31541776, 39427220, 78854440, 157708880]

約数ペア:

[(1, 157708880), (2, 78854440), (4, 39427220), (5, 31541776), (7, 22529840), (8, 19713610), (10, 15770888), (14, 11264920), (16, 9856805), (20, 7885444), (28, 5632460), (35, 4505968), (40, 3942722), (56, 2816230), (70, 2252984), (80, 1971361), (112, 1408115), (140, 1126492), (280, 563246), (560, 281623)]