7780620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1259}}^1$

素因数の和:1374

約数の個数: 48

約数和(自身を含む): 22014720

約数和(自身を除く): 14234100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 103, 206, 309, 412, 515, 618, 1030, 1236, 1259, 1545, 2060, 2518, 3090, 3777, 5036, 6180, 6295, 7554, 12590, 15108, 18885, 25180, 37770, 75540, 129677, 259354, 389031, 518708, 648385, 778062, 1296770, 1556124, 1945155, 2593540, 3890310, 7780620]

約数ペア:

[(1, 7780620), (2, 3890310), (3, 2593540), (4, 1945155), (5, 1556124), (6, 1296770), (10, 778062), (12, 648385), (15, 518708), (20, 389031), (30, 259354), (60, 129677), (103, 75540), (206, 37770), (309, 25180), (412, 18885), (515, 15108), (618, 12590), (1030, 7554), (1236, 6295), (1259, 6180), (1545, 5036), (2060, 3777), (2518, 3090)]