161218656

素因数分解:

$2^5\times 3^2\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{199}}^1$

素因数の和:341

約数の個数: 144

約数和(自身を含む): 481572000

約数和(自身を除く): 320353344

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 32, 36, 48, 58, 72, 87, 96, 97, 116, 144, 174, 194, 199, 232, 261, 288, 291, 348, 388, 398, 464, 522, 582, 597, 696, 776, 796, 873, 928, 1044, 1164, 1194, 1392, 1552, 1592, 1746, 1791, 2088, 2328, 2388, 2784, 2813, 3104, 3184, 3492, 3582, 4176, 4656, 4776, 5626, 5771, 6368, 6984, 7164, 8352, 8439, 9312, 9552, 11252, 11542, 13968, 14328, 16878, 17313, 19104, 19303, 22504, 23084, 25317, 27936, 28656, 33756, 34626, 38606, 45008, 46168, 50634, 51939, 57312, 57909, 67512, 69252, 77212, 90016, 92336, 101268, 103878, 115818, 135024, 138504, 154424, 173727, 184672, 202536, 207756, 231636, 270048, 277008, 308848, 347454, 405072, 415512, 463272, 554016, 559787, 617696, 694908, 810144, 831024, 926544, 1119574, 1389816, 1662048, 1679361, 1853088, 2239148, 2779632, 3358722, 4478296, 5038083, 5559264, 6717444, 8956592, 10076166, 13434888, 17913184, 20152332, 26869776, 40304664, 53739552, 80609328, 161218656]

約数ペア:

[(1, 161218656), (2, 80609328), (3, 53739552), (4, 40304664), (6, 26869776), (8, 20152332), (9, 17913184), (12, 13434888), (16, 10076166), (18, 8956592), (24, 6717444), (29, 5559264), (32, 5038083), (36, 4478296), (48, 3358722), (58, 2779632), (72, 2239148), (87, 1853088), (96, 1679361), (97, 1662048), (116, 1389816), (144, 1119574), (174, 926544), (194, 831024), (199, 810144), (232, 694908), (261, 617696), (288, 559787), (291, 554016), (348, 463272), (388, 415512), (398, 405072), (464, 347454), (522, 308848), (582, 277008), (597, 270048), (696, 231636), (776, 207756), (796, 202536), (873, 184672), (928, 173727), (1044, 154424), (1164, 138504), (1194, 135024), (1392, 115818), (1552, 103878), (1592, 101268), (1746, 92336), (1791, 90016), (2088, 77212), (2328, 69252), (2388, 67512), (2784, 57909), (2813, 57312), (3104, 51939), (3184, 50634), (3492, 46168), (3582, 45008), (4176, 38606), (4656, 34626), (4776, 33756), (5626, 28656), (5771, 27936), (6368, 25317), (6984, 23084), (7164, 22504), (8352, 19303), (8439, 19104), (9312, 17313), (9552, 16878), (11252, 14328), (11542, 13968)]