165110820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{393121}}^1$

素因数の和:393140

約数の個数: 48

約数和(自身を含む): 528355968

約数和(自身を除く): 363245148

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 393121, 786242, 1179363, 1572484, 1965605, 2358726, 2751847, 3931210, 4717452, 5503694, 5896815, 7862420, 8255541, 11007388, 11793630, 13759235, 16511082, 23587260, 27518470, 33022164, 41277705, 55036940, 82555410, 165110820]

約数ペア:

[(1, 165110820), (2, 82555410), (3, 55036940), (4, 41277705), (5, 33022164), (6, 27518470), (7, 23587260), (10, 16511082), (12, 13759235), (14, 11793630), (15, 11007388), (20, 8255541), (21, 7862420), (28, 5896815), (30, 5503694), (35, 4717452), (42, 3931210), (60, 2751847), (70, 2358726), (84, 1965605), (105, 1572484), (140, 1179363), (210, 786242), (420, 393121)]