15890970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{431}}^1\times {\mathrm{1229}}^1$

素因数の和:1670

約数の個数: 32

約数和(自身を含む): 38257920

約数和(自身を除く): 22366950

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 431, 862, 1229, 1293, 2155, 2458, 2586, 3687, 4310, 6145, 6465, 7374, 12290, 12930, 18435, 36870, 529699, 1059398, 1589097, 2648495, 3178194, 5296990, 7945485, 15890970]

約数ペア:

[(1, 15890970), (2, 7945485), (3, 5296990), (5, 3178194), (6, 2648495), (10, 1589097), (15, 1059398), (30, 529699), (431, 36870), (862, 18435), (1229, 12930), (1293, 12290), (2155, 7374), (2458, 6465), (2586, 6145), (3687, 4310)]