2015222755

素因数分解:

$5^1\times 7^3\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{409}}^1$

素因数の和:478

約数の個数: 96

約数和(自身を含む): 3241296000

約数和(自身を除く): 1226073245

約数列:

[1, 5, 7, 13, 17, 35, 49, 65, 85, 91, 119, 169, 221, 245, 343, 409, 455, 595, 637, 833, 845, 1105, 1183, 1547, 1715, 2045, 2863, 2873, 3185, 4165, 4459, 5317, 5831, 5915, 6953, 7735, 8281, 10829, 14315, 14365, 20041, 20111, 22295, 26585, 29155, 34765, 37219, 41405, 48671, 54145, 57967, 69121, 75803, 90389, 100205, 100555, 140287, 140777, 186095, 243355, 260533, 289835, 340697, 345605, 379015, 451945, 483847, 632723, 701435, 703885, 985439, 1175057, 1302665, 1703485, 1823731, 2384879, 2419235, 3163615, 3386929, 4429061, 4927195, 5875285, 8225399, 9118655, 11924395, 16934645, 22145305, 23708503, 31003427, 41126995, 57577793, 118542515, 155017135, 287888965, 403044551, 2015222755]

約数ペア:

[(1, 2015222755), (5, 403044551), (7, 287888965), (13, 155017135), (17, 118542515), (35, 57577793), (49, 41126995), (65, 31003427), (85, 23708503), (91, 22145305), (119, 16934645), (169, 11924395), (221, 9118655), (245, 8225399), (343, 5875285), (409, 4927195), (455, 4429061), (595, 3386929), (637, 3163615), (833, 2419235), (845, 2384879), (1105, 1823731), (1183, 1703485), (1547, 1302665), (1715, 1175057), (2045, 985439), (2863, 703885), (2873, 701435), (3185, 632723), (4165, 483847), (4459, 451945), (5317, 379015), (5831, 345605), (5915, 340697), (6953, 289835), (7735, 260533), (8281, 243355), (10829, 186095), (14315, 140777), (14365, 140287), (20041, 100555), (20111, 100205), (22295, 90389), (26585, 75803), (29155, 69121), (34765, 57967), (37219, 54145), (41405, 48671)]