15561240

素因数分解:

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

素因数の和:1376

約数の個数: 64

約数和(自身を含む): 47174400

約数和(自身を除く): 31613160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 103, 120, 206, 309, 412, 515, 618, 824, 1030, 1236, 1259, 1545, 2060, 2472, 2518, 3090, 3777, 4120, 5036, 6180, 6295, 7554, 10072, 12360, 12590, 15108, 18885, 25180, 30216, 37770, 50360, 75540, 129677, 151080, 259354, 389031, 518708, 648385, 778062, 1037416, 1296770, 1556124, 1945155, 2593540, 3112248, 3890310, 5187080, 7780620, 15561240]

約数ペア:

[(1, 15561240), (2, 7780620), (3, 5187080), (4, 3890310), (5, 3112248), (6, 2593540), (8, 1945155), (10, 1556124), (12, 1296770), (15, 1037416), (20, 778062), (24, 648385), (30, 518708), (40, 389031), (60, 259354), (103, 151080), (120, 129677), (206, 75540), (309, 50360), (412, 37770), (515, 30216), (618, 25180), (824, 18885), (1030, 15108), (1236, 12590), (1259, 12360), (1545, 10072), (2060, 7554), (2472, 6295), (2518, 6180), (3090, 5036), (3777, 4120)]