123204420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{684469}}^1$

素因数の和:684484

約数の個数: 36

約数和(自身を含む): 373720620

約数和(自身を除く): 250516200

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 684469, 1368938, 2053407, 2737876, 3422345, 4106814, 6160221, 6844690, 8213628, 10267035, 12320442, 13689380, 20534070, 24640884, 30801105, 41068140, 61602210, 123204420]

約数ペア:

[(1, 123204420), (2, 61602210), (3, 41068140), (4, 30801105), (5, 24640884), (6, 20534070), (9, 13689380), (10, 12320442), (12, 10267035), (15, 8213628), (18, 6844690), (20, 6160221), (30, 4106814), (36, 3422345), (45, 2737876), (60, 2053407), (90, 1368938), (180, 684469)]