15981144

素因数分解:

$2^3\times 3^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:308

約数の個数: 64

約数和(自身を含む): 41580000

約数和(自身を除く): 25598856

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 41, 82, 109, 123, 149, 164, 218, 246, 298, 327, 328, 436, 447, 492, 596, 654, 872, 894, 984, 1192, 1308, 1788, 2616, 3576, 4469, 6109, 8938, 12218, 13407, 16241, 17876, 18327, 24436, 26814, 32482, 35752, 36654, 48723, 48872, 53628, 64964, 73308, 97446, 107256, 129928, 146616, 194892, 389784, 665881, 1331762, 1997643, 2663524, 3995286, 5327048, 7990572, 15981144]

約数ペア:

[(1, 15981144), (2, 7990572), (3, 5327048), (4, 3995286), (6, 2663524), (8, 1997643), (12, 1331762), (24, 665881), (41, 389784), (82, 194892), (109, 146616), (123, 129928), (149, 107256), (164, 97446), (218, 73308), (246, 64964), (298, 53628), (327, 48872), (328, 48723), (436, 36654), (447, 35752), (492, 32482), (596, 26814), (654, 24436), (872, 18327), (894, 17876), (984, 16241), (1192, 13407), (1308, 12218), (1788, 8938), (2616, 6109), (3576, 4469)]