80147580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{659}}^1\times {\mathrm{2027}}^1$

素因数の和:2698

約数の個数: 48

約数和(自身を含む): 224864640

約数和(自身を除く): 144717060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 659, 1318, 1977, 2027, 2636, 3295, 3954, 4054, 6081, 6590, 7908, 8108, 9885, 10135, 12162, 13180, 19770, 20270, 24324, 30405, 39540, 40540, 60810, 121620, 1335793, 2671586, 4007379, 5343172, 6678965, 8014758, 13357930, 16029516, 20036895, 26715860, 40073790, 80147580]

約数ペア:

[(1, 80147580), (2, 40073790), (3, 26715860), (4, 20036895), (5, 16029516), (6, 13357930), (10, 8014758), (12, 6678965), (15, 5343172), (20, 4007379), (30, 2671586), (60, 1335793), (659, 121620), (1318, 60810), (1977, 40540), (2027, 39540), (2636, 30405), (3295, 24324), (3954, 20270), (4054, 19770), (6081, 13180), (6590, 12162), (7908, 10135), (8108, 9885)]