2198820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2819}}^1$

素因数の和:2844

約数の個数: 48

約数和(自身を含む): 6632640

約数和(自身を除く): 4433820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 2819, 5638, 8457, 11276, 14095, 16914, 28190, 33828, 36647, 42285, 56380, 73294, 84570, 109941, 146588, 169140, 183235, 219882, 366470, 439764, 549705, 732940, 1099410, 2198820]

約数ペア:

[(1, 2198820), (2, 1099410), (3, 732940), (4, 549705), (5, 439764), (6, 366470), (10, 219882), (12, 183235), (13, 169140), (15, 146588), (20, 109941), (26, 84570), (30, 73294), (39, 56380), (52, 42285), (60, 36647), (65, 33828), (78, 28190), (130, 16914), (156, 14095), (195, 11276), (260, 8457), (390, 5638), (780, 2819)]