261010656

素因数分解:

$2^5\times 3^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{599}}^1$

素因数の和:721

約数の個数: 144

約数和(自身を含む): 796068000

約数和(自身を除く): 535057344

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 32, 34, 36, 48, 51, 68, 72, 89, 96, 102, 136, 144, 153, 178, 204, 267, 272, 288, 306, 356, 408, 534, 544, 599, 612, 712, 801, 816, 1068, 1198, 1224, 1424, 1513, 1602, 1632, 1797, 2136, 2396, 2448, 2848, 3026, 3204, 3594, 4272, 4539, 4792, 4896, 5391, 6052, 6408, 7188, 8544, 9078, 9584, 10183, 10782, 12104, 12816, 13617, 14376, 18156, 19168, 20366, 21564, 24208, 25632, 27234, 28752, 30549, 36312, 40732, 43128, 48416, 53311, 54468, 57504, 61098, 72624, 81464, 86256, 91647, 106622, 108936, 122196, 145248, 159933, 162928, 172512, 183294, 213244, 217872, 244392, 319866, 325856, 366588, 426488, 435744, 479799, 488784, 639732, 733176, 852976, 906287, 959598, 977568, 1279464, 1466352, 1705952, 1812574, 1919196, 2558928, 2718861, 2932704, 3625148, 3838392, 5117856, 5437722, 7250296, 7676784, 8156583, 10875444, 14500592, 15353568, 16313166, 21750888, 29001184, 32626332, 43501776, 65252664, 87003552, 130505328, 261010656]

約数ペア:

[(1, 261010656), (2, 130505328), (3, 87003552), (4, 65252664), (6, 43501776), (8, 32626332), (9, 29001184), (12, 21750888), (16, 16313166), (17, 15353568), (18, 14500592), (24, 10875444), (32, 8156583), (34, 7676784), (36, 7250296), (48, 5437722), (51, 5117856), (68, 3838392), (72, 3625148), (89, 2932704), (96, 2718861), (102, 2558928), (136, 1919196), (144, 1812574), (153, 1705952), (178, 1466352), (204, 1279464), (267, 977568), (272, 959598), (288, 906287), (306, 852976), (356, 733176), (408, 639732), (534, 488784), (544, 479799), (599, 435744), (612, 426488), (712, 366588), (801, 325856), (816, 319866), (1068, 244392), (1198, 217872), (1224, 213244), (1424, 183294), (1513, 172512), (1602, 162928), (1632, 159933), (1797, 145248), (2136, 122196), (2396, 108936), (2448, 106622), (2848, 91647), (3026, 86256), (3204, 81464), (3594, 72624), (4272, 61098), (4539, 57504), (4792, 54468), (4896, 53311), (5391, 48416), (6052, 43128), (6408, 40732), (7188, 36312), (8544, 30549), (9078, 28752), (9584, 27234), (10183, 25632), (10782, 24208), (12104, 21564), (12816, 20366), (13617, 19168), (14376, 18156)]