81521136

素因数分解:

$2^4\times 3^2\times {\mathrm{271}}^1\times {\mathrm{2089}}^1$

素因数の和:2374

約数の個数: 60

約数和(自身を含む): 229097440

約数和(自身を除く): 147576304

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 271, 542, 813, 1084, 1626, 2089, 2168, 2439, 3252, 4178, 4336, 4878, 6267, 6504, 8356, 9756, 12534, 13008, 16712, 18801, 19512, 25068, 33424, 37602, 39024, 50136, 75204, 100272, 150408, 300816, 566119, 1132238, 1698357, 2264476, 3396714, 4528952, 5095071, 6793428, 9057904, 10190142, 13586856, 20380284, 27173712, 40760568, 81521136]

約数ペア:

[(1, 81521136), (2, 40760568), (3, 27173712), (4, 20380284), (6, 13586856), (8, 10190142), (9, 9057904), (12, 6793428), (16, 5095071), (18, 4528952), (24, 3396714), (36, 2264476), (48, 1698357), (72, 1132238), (144, 566119), (271, 300816), (542, 150408), (813, 100272), (1084, 75204), (1626, 50136), (2089, 39024), (2168, 37602), (2439, 33424), (3252, 25068), (4178, 19512), (4336, 18801), (4878, 16712), (6267, 13008), (6504, 12534), (8356, 9756)]