72969440

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{193}}^1$

素因数の和:364

約数の個数: 96

約数和(自身を含む): 184796640

約数和(自身を除く): 111827200

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 139, 160, 170, 193, 272, 278, 340, 386, 544, 556, 680, 695, 772, 965, 1112, 1360, 1390, 1544, 1930, 2224, 2363, 2720, 2780, 3088, 3281, 3860, 4448, 4726, 5560, 6176, 6562, 7720, 9452, 11120, 11815, 13124, 15440, 16405, 18904, 22240, 23630, 26248, 26827, 30880, 32810, 37808, 47260, 52496, 53654, 65620, 75616, 94520, 104992, 107308, 131240, 134135, 189040, 214616, 262480, 268270, 378080, 429232, 456059, 524960, 536540, 858464, 912118, 1073080, 1824236, 2146160, 2280295, 3648472, 4292320, 4560590, 7296944, 9121180, 14593888, 18242360, 36484720, 72969440]

約数ペア:

[(1, 72969440), (2, 36484720), (4, 18242360), (5, 14593888), (8, 9121180), (10, 7296944), (16, 4560590), (17, 4292320), (20, 3648472), (32, 2280295), (34, 2146160), (40, 1824236), (68, 1073080), (80, 912118), (85, 858464), (136, 536540), (139, 524960), (160, 456059), (170, 429232), (193, 378080), (272, 268270), (278, 262480), (340, 214616), (386, 189040), (544, 134135), (556, 131240), (680, 107308), (695, 104992), (772, 94520), (965, 75616), (1112, 65620), (1360, 53654), (1390, 52496), (1544, 47260), (1930, 37808), (2224, 32810), (2363, 30880), (2720, 26827), (2780, 26248), (3088, 23630), (3281, 22240), (3860, 18904), (4448, 16405), (4726, 15440), (5560, 13124), (6176, 11815), (6562, 11120), (7720, 9452)]