31122480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1259}}^1$

素因数の和:1378

約数の個数: 80

約数和(自身を含む): 97493760

約数和(自身を除く): 66371280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 103, 120, 206, 240, 309, 412, 515, 618, 824, 1030, 1236, 1259, 1545, 1648, 2060, 2472, 2518, 3090, 3777, 4120, 4944, 5036, 6180, 6295, 7554, 8240, 10072, 12360, 12590, 15108, 18885, 20144, 24720, 25180, 30216, 37770, 50360, 60432, 75540, 100720, 129677, 151080, 259354, 302160, 389031, 518708, 648385, 778062, 1037416, 1296770, 1556124, 1945155, 2074832, 2593540, 3112248, 3890310, 5187080, 6224496, 7780620, 10374160, 15561240, 31122480]

約数ペア:

[(1, 31122480), (2, 15561240), (3, 10374160), (4, 7780620), (5, 6224496), (6, 5187080), (8, 3890310), (10, 3112248), (12, 2593540), (15, 2074832), (16, 1945155), (20, 1556124), (24, 1296770), (30, 1037416), (40, 778062), (48, 648385), (60, 518708), (80, 389031), (103, 302160), (120, 259354), (206, 151080), (240, 129677), (309, 100720), (412, 75540), (515, 60432), (618, 50360), (824, 37770), (1030, 30216), (1236, 25180), (1259, 24720), (1545, 20144), (1648, 18885), (2060, 15108), (2472, 12590), (2518, 12360), (3090, 10072), (3777, 8240), (4120, 7554), (4944, 6295), (5036, 6180)]