204818720

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{293}}^1$

素因数の和:582

約数の個数: 96

約数和(自身を含む): 516097008

約数和(自身を除く): 311278288

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 257, 272, 293, 340, 514, 544, 586, 680, 1028, 1172, 1285, 1360, 1465, 2056, 2344, 2570, 2720, 2930, 4112, 4369, 4688, 4981, 5140, 5860, 8224, 8738, 9376, 9962, 10280, 11720, 17476, 19924, 20560, 21845, 23440, 24905, 34952, 39848, 41120, 43690, 46880, 49810, 69904, 75301, 79696, 87380, 99620, 139808, 150602, 159392, 174760, 199240, 301204, 349520, 376505, 398480, 602408, 699040, 753010, 796960, 1204816, 1280117, 1506020, 2409632, 2560234, 3012040, 5120468, 6024080, 6400585, 10240936, 12048160, 12801170, 20481872, 25602340, 40963744, 51204680, 102409360, 204818720]

約数ペア:

[(1, 204818720), (2, 102409360), (4, 51204680), (5, 40963744), (8, 25602340), (10, 20481872), (16, 12801170), (17, 12048160), (20, 10240936), (32, 6400585), (34, 6024080), (40, 5120468), (68, 3012040), (80, 2560234), (85, 2409632), (136, 1506020), (160, 1280117), (170, 1204816), (257, 796960), (272, 753010), (293, 699040), (340, 602408), (514, 398480), (544, 376505), (586, 349520), (680, 301204), (1028, 199240), (1172, 174760), (1285, 159392), (1360, 150602), (1465, 139808), (2056, 99620), (2344, 87380), (2570, 79696), (2720, 75301), (2930, 69904), (4112, 49810), (4369, 46880), (4688, 43690), (4981, 41120), (5140, 39848), (5860, 34952), (8224, 24905), (8738, 23440), (9376, 21845), (9962, 20560), (10280, 19924), (11720, 17476)]