74864720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{3109}}^1$

素因数の和:3172

約数の個数: 80

約数和(自身を含む): 203617920

約数和(自身を除く): 128753200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 43, 56, 70, 80, 86, 112, 140, 172, 215, 280, 301, 344, 430, 560, 602, 688, 860, 1204, 1505, 1720, 2408, 3010, 3109, 3440, 4816, 6020, 6218, 12040, 12436, 15545, 21763, 24080, 24872, 31090, 43526, 49744, 62180, 87052, 108815, 124360, 133687, 174104, 217630, 248720, 267374, 348208, 435260, 534748, 668435, 870520, 935809, 1069496, 1336870, 1741040, 1871618, 2138992, 2673740, 3743236, 4679045, 5347480, 7486472, 9358090, 10694960, 14972944, 18716180, 37432360, 74864720]

約数ペア:

[(1, 74864720), (2, 37432360), (4, 18716180), (5, 14972944), (7, 10694960), (8, 9358090), (10, 7486472), (14, 5347480), (16, 4679045), (20, 3743236), (28, 2673740), (35, 2138992), (40, 1871618), (43, 1741040), (56, 1336870), (70, 1069496), (80, 935809), (86, 870520), (112, 668435), (140, 534748), (172, 435260), (215, 348208), (280, 267374), (301, 248720), (344, 217630), (430, 174104), (560, 133687), (602, 124360), (688, 108815), (860, 87052), (1204, 62180), (1505, 49744), (1720, 43526), (2408, 31090), (3010, 24872), (3109, 24080), (3440, 21763), (4816, 15545), (6020, 12436), (6218, 12040)]