280281168

素因数分解:

$2^4\times 3^3\times {\mathrm{31}}^1\times {\mathrm{20929}}^1$

素因数の和:20977

約数の個数: 80

約数和(自身を含む): 830502400

約数和(自身を除く): 550221232

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 36, 48, 54, 62, 72, 93, 108, 124, 144, 186, 216, 248, 279, 372, 432, 496, 558, 744, 837, 1116, 1488, 1674, 2232, 3348, 4464, 6696, 13392, 20929, 41858, 62787, 83716, 125574, 167432, 188361, 251148, 334864, 376722, 502296, 565083, 648799, 753444, 1004592, 1130166, 1297598, 1506888, 1946397, 2260332, 2595196, 3013776, 3892794, 4520664, 5190392, 5839191, 7785588, 9041328, 10380784, 11678382, 15571176, 17517573, 23356764, 31142352, 35035146, 46713528, 70070292, 93427056, 140140584, 280281168]

約数ペア:

[(1, 280281168), (2, 140140584), (3, 93427056), (4, 70070292), (6, 46713528), (8, 35035146), (9, 31142352), (12, 23356764), (16, 17517573), (18, 15571176), (24, 11678382), (27, 10380784), (31, 9041328), (36, 7785588), (48, 5839191), (54, 5190392), (62, 4520664), (72, 3892794), (93, 3013776), (108, 2595196), (124, 2260332), (144, 1946397), (186, 1506888), (216, 1297598), (248, 1130166), (279, 1004592), (372, 753444), (432, 648799), (496, 565083), (558, 502296), (744, 376722), (837, 334864), (1116, 251148), (1488, 188361), (1674, 167432), (2232, 125574), (3348, 83716), (4464, 62787), (6696, 41858), (13392, 20929)]