28697640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{239147}}^1$

素因数の和:239161

約数の個数: 32

約数和(自身を含む): 86093280

約数和(自身を除く): 57395640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 239147, 478294, 717441, 956588, 1195735, 1434882, 1913176, 2391470, 2869764, 3587205, 4782940, 5739528, 7174410, 9565880, 14348820, 28697640]

約数ペア:

[(1, 28697640), (2, 14348820), (3, 9565880), (4, 7174410), (5, 5739528), (6, 4782940), (8, 3587205), (10, 2869764), (12, 2391470), (15, 1913176), (20, 1434882), (24, 1195735), (30, 956588), (40, 717441), (60, 478294), (120, 239147)]