81738288

素因数分解:

$2^4\times 3^3\times {\mathrm{431}}^1\times {\mathrm{439}}^1$

素因数の和:887

約数の個数: 80

約数和(自身を含む): 235699200

約数和(自身を除く): 153960912

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 216, 431, 432, 439, 862, 878, 1293, 1317, 1724, 1756, 2586, 2634, 3448, 3512, 3879, 3951, 5172, 5268, 6896, 7024, 7758, 7902, 10344, 10536, 11637, 11853, 15516, 15804, 20688, 21072, 23274, 23706, 31032, 31608, 46548, 47412, 62064, 63216, 93096, 94824, 186192, 189209, 189648, 378418, 567627, 756836, 1135254, 1513672, 1702881, 2270508, 3027344, 3405762, 4541016, 5108643, 6811524, 9082032, 10217286, 13623048, 20434572, 27246096, 40869144, 81738288]

約数ペア:

[(1, 81738288), (2, 40869144), (3, 27246096), (4, 20434572), (6, 13623048), (8, 10217286), (9, 9082032), (12, 6811524), (16, 5108643), (18, 4541016), (24, 3405762), (27, 3027344), (36, 2270508), (48, 1702881), (54, 1513672), (72, 1135254), (108, 756836), (144, 567627), (216, 378418), (431, 189648), (432, 189209), (439, 186192), (862, 94824), (878, 93096), (1293, 63216), (1317, 62064), (1724, 47412), (1756, 46548), (2586, 31608), (2634, 31032), (3448, 23706), (3512, 23274), (3879, 21072), (3951, 20688), (5172, 15804), (5268, 15516), (6896, 11853), (7024, 11637), (7758, 10536), (7902, 10344)]