31374390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{2557}}^1$

素因数の和:2976

約数の個数: 32

約数和(自身を含む): 75512160

約数和(自身を除く): 44137770

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 409, 818, 1227, 2045, 2454, 2557, 4090, 5114, 6135, 7671, 12270, 12785, 15342, 25570, 38355, 76710, 1045813, 2091626, 3137439, 5229065, 6274878, 10458130, 15687195, 31374390]

約数ペア:

[(1, 31374390), (2, 15687195), (3, 10458130), (5, 6274878), (6, 5229065), (10, 3137439), (15, 2091626), (30, 1045813), (409, 76710), (818, 38355), (1227, 25570), (2045, 15342), (2454, 12785), (2557, 12270), (4090, 7671), (5114, 6135)]