247282920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{686897}}^1$

素因数の和:686914

約数の個数: 48

約数和(自身を含む): 803670660

約数和(自身を除く): 556387740

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 686897, 1373794, 2060691, 2747588, 3434485, 4121382, 5495176, 6182073, 6868970, 8242764, 10303455, 12364146, 13737940, 16485528, 20606910, 24728292, 27475880, 30910365, 41213820, 49456584, 61820730, 82427640, 123641460, 247282920]

約数ペア:

[(1, 247282920), (2, 123641460), (3, 82427640), (4, 61820730), (5, 49456584), (6, 41213820), (8, 30910365), (9, 27475880), (10, 24728292), (12, 20606910), (15, 16485528), (18, 13737940), (20, 12364146), (24, 10303455), (30, 8242764), (36, 6868970), (40, 6182073), (45, 5495176), (60, 4121382), (72, 3434485), (90, 2747588), (120, 2060691), (180, 1373794), (360, 686897)]