81459660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1357661}}^1$

素因数の和:1357673

約数の個数: 24

約数和(自身を含む): 228087216

約数和(自身を除く): 146627556

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1357661, 2715322, 4072983, 5430644, 6788305, 8145966, 13576610, 16291932, 20364915, 27153220, 40729830, 81459660]

約数ペア:

[(1, 81459660), (2, 40729830), (3, 27153220), (4, 20364915), (5, 16291932), (6, 13576610), (10, 8145966), (12, 6788305), (15, 5430644), (20, 4072983), (30, 2715322), (60, 1357661)]