81556752

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{1123}}^1$

素因数の和:1240

約数の個数: 80

約数和(自身を含む): 225789120

約数和(自身を除く): 144232368

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 89, 102, 136, 178, 204, 267, 272, 356, 408, 534, 712, 816, 1068, 1123, 1424, 1513, 2136, 2246, 3026, 3369, 4272, 4492, 4539, 6052, 6738, 8984, 9078, 12104, 13476, 17968, 18156, 19091, 24208, 26952, 36312, 38182, 53904, 57273, 72624, 76364, 99947, 114546, 152728, 199894, 229092, 299841, 305456, 399788, 458184, 599682, 799576, 916368, 1199364, 1599152, 1699099, 2398728, 3398198, 4797456, 5097297, 6796396, 10194594, 13592792, 20389188, 27185584, 40778376, 81556752]

約数ペア:

[(1, 81556752), (2, 40778376), (3, 27185584), (4, 20389188), (6, 13592792), (8, 10194594), (12, 6796396), (16, 5097297), (17, 4797456), (24, 3398198), (34, 2398728), (48, 1699099), (51, 1599152), (68, 1199364), (89, 916368), (102, 799576), (136, 599682), (178, 458184), (204, 399788), (267, 305456), (272, 299841), (356, 229092), (408, 199894), (534, 152728), (712, 114546), (816, 99947), (1068, 76364), (1123, 72624), (1424, 57273), (1513, 53904), (2136, 38182), (2246, 36312), (3026, 26952), (3369, 24208), (4272, 19091), (4492, 18156), (4539, 17968), (6052, 13476), (6738, 12104), (8984, 9078)]