80266564

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{157}}^1$

素因数の和:249

約数の個数: 72

約数和(自身を含む): 175721280

約数和(自身を除く): 95454716

約数列:

[1, 2, 4, 7, 14, 19, 28, 31, 38, 62, 76, 124, 133, 157, 217, 266, 314, 434, 532, 589, 628, 868, 961, 1099, 1178, 1922, 2198, 2356, 2983, 3844, 4123, 4396, 4867, 5966, 6727, 8246, 9734, 11932, 13454, 16492, 18259, 19468, 20881, 26908, 34069, 36518, 41762, 68138, 73036, 83524, 92473, 127813, 136276, 150877, 184946, 255626, 301754, 369892, 511252, 603508, 647311, 1056139, 1294622, 2112278, 2589244, 2866663, 4224556, 5733326, 11466652, 20066641, 40133282, 80266564]

約数ペア:

[(1, 80266564), (2, 40133282), (4, 20066641), (7, 11466652), (14, 5733326), (19, 4224556), (28, 2866663), (31, 2589244), (38, 2112278), (62, 1294622), (76, 1056139), (124, 647311), (133, 603508), (157, 511252), (217, 369892), (266, 301754), (314, 255626), (434, 184946), (532, 150877), (589, 136276), (628, 127813), (868, 92473), (961, 83524), (1099, 73036), (1178, 68138), (1922, 41762), (2198, 36518), (2356, 34069), (2983, 26908), (3844, 20881), (4123, 19468), (4396, 18259), (4867, 16492), (5966, 13454), (6727, 11932), (8246, 9734)]