81196020

素因数分解:

$2^2\times 3^6\times 5^1\times {\mathrm{5569}}^1$

素因数の和:5596

約数の個数: 84

約数和(自身を含む): 255696420

約数和(自身を除く): 174500400

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 729, 810, 972, 1215, 1458, 1620, 2430, 2916, 3645, 4860, 5569, 7290, 11138, 14580, 16707, 22276, 27845, 33414, 50121, 55690, 66828, 83535, 100242, 111380, 150363, 167070, 200484, 250605, 300726, 334140, 451089, 501210, 601452, 751815, 902178, 1002420, 1353267, 1503630, 1804356, 2255445, 2706534, 3007260, 4059801, 4510890, 5413068, 6766335, 8119602, 9021780, 13532670, 16239204, 20299005, 27065340, 40598010, 81196020]

約数ペア:

[(1, 81196020), (2, 40598010), (3, 27065340), (4, 20299005), (5, 16239204), (6, 13532670), (9, 9021780), (10, 8119602), (12, 6766335), (15, 5413068), (18, 4510890), (20, 4059801), (27, 3007260), (30, 2706534), (36, 2255445), (45, 1804356), (54, 1503630), (60, 1353267), (81, 1002420), (90, 902178), (108, 751815), (135, 601452), (162, 501210), (180, 451089), (243, 334140), (270, 300726), (324, 250605), (405, 200484), (486, 167070), (540, 150363), (729, 111380), (810, 100242), (972, 83535), (1215, 66828), (1458, 55690), (1620, 50121), (2430, 33414), (2916, 27845), (3645, 22276), (4860, 16707), (5569, 14580), (7290, 11138)]