123536720

素因数分解:

$2^4\times 5^1\times {\mathrm{1544209}}^1$

素因数の和:1544222

約数の個数: 20

約数和(自身を含む): 287223060

約数和(自身を除く): 163686340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1544209, 3088418, 6176836, 7721045, 12353672, 15442090, 24707344, 30884180, 61768360, 123536720]

約数ペア:

[(1, 123536720), (2, 61768360), (4, 30884180), (5, 24707344), (8, 15442090), (10, 12353672), (16, 7721045), (20, 6176836), (40, 3088418), (80, 1544209)]