81696870

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{302581}}^1$

素因数の和:302597

約数の個数: 32

約数和(自身を含む): 217859040

約数和(自身を除く): 136162170

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 302581, 605162, 907743, 1512905, 1815486, 2723229, 3025810, 4538715, 5446458, 8169687, 9077430, 13616145, 16339374, 27232290, 40848435, 81696870]

約数ペア:

[(1, 81696870), (2, 40848435), (3, 27232290), (5, 16339374), (6, 13616145), (9, 9077430), (10, 8169687), (15, 5446458), (18, 4538715), (27, 3025810), (30, 2723229), (45, 1815486), (54, 1512905), (90, 907743), (135, 605162), (270, 302581)]