80478774

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{811}}^1$

素因数の和:1005

約数の個数: 48

約数和(自身を含む): 180507600

約数和(自身を除く): 100028826

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 111, 149, 222, 298, 333, 447, 666, 811, 894, 1341, 1622, 2433, 2682, 4866, 5513, 7299, 11026, 14598, 16539, 30007, 33078, 49617, 60014, 90021, 99234, 120839, 180042, 241678, 270063, 362517, 540126, 725034, 1087551, 2175102, 4471043, 8942086, 13413129, 26826258, 40239387, 80478774]

約数ペア:

[(1, 80478774), (2, 40239387), (3, 26826258), (6, 13413129), (9, 8942086), (18, 4471043), (37, 2175102), (74, 1087551), (111, 725034), (149, 540126), (222, 362517), (298, 270063), (333, 241678), (447, 180042), (666, 120839), (811, 99234), (894, 90021), (1341, 60014), (1622, 49617), (2433, 33078), (2682, 30007), (4866, 16539), (5513, 14598), (7299, 11026)]