31926540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{1301}}^1$

素因数の和:1722

約数の個数: 48

約数和(自身を含む): 89681760

約数和(自身を除く): 57755220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 409, 818, 1227, 1301, 1636, 2045, 2454, 2602, 3903, 4090, 4908, 5204, 6135, 6505, 7806, 8180, 12270, 13010, 15612, 19515, 24540, 26020, 39030, 78060, 532109, 1064218, 1596327, 2128436, 2660545, 3192654, 5321090, 6385308, 7981635, 10642180, 15963270, 31926540]

約数ペア:

[(1, 31926540), (2, 15963270), (3, 10642180), (4, 7981635), (5, 6385308), (6, 5321090), (10, 3192654), (12, 2660545), (15, 2128436), (20, 1596327), (30, 1064218), (60, 532109), (409, 78060), (818, 39030), (1227, 26020), (1301, 24540), (1636, 19515), (2045, 15612), (2454, 13010), (2602, 12270), (3903, 8180), (4090, 7806), (4908, 6505), (5204, 6135)]