256801536

素因数分解:

$2^8\times 3^3\times {\mathrm{53}}^1\times {\mathrm{701}}^1$

素因数の和:779

約数の個数: 144

約数和(自身を含む): 774839520

約数和(自身を除く): 518037984

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 53, 54, 64, 72, 96, 106, 108, 128, 144, 159, 192, 212, 216, 256, 288, 318, 384, 424, 432, 477, 576, 636, 701, 768, 848, 864, 954, 1152, 1272, 1402, 1431, 1696, 1728, 1908, 2103, 2304, 2544, 2804, 2862, 3392, 3456, 3816, 4206, 5088, 5608, 5724, 6309, 6784, 6912, 7632, 8412, 10176, 11216, 11448, 12618, 13568, 15264, 16824, 18927, 20352, 22432, 22896, 25236, 30528, 33648, 37153, 37854, 40704, 44864, 45792, 50472, 61056, 67296, 74306, 75708, 89728, 91584, 100944, 111459, 122112, 134592, 148612, 151416, 179456, 183168, 201888, 222918, 269184, 297224, 302832, 334377, 366336, 403776, 445836, 538368, 594448, 605664, 668754, 807552, 891672, 1003131, 1188896, 1211328, 1337508, 1615104, 1783344, 2006262, 2377792, 2422656, 2675016, 3566688, 4012524, 4755584, 4845312, 5350032, 7133376, 8025048, 9511168, 10700064, 14266752, 16050096, 21400128, 28533504, 32100192, 42800256, 64200384, 85600512, 128400768, 256801536]

約数ペア:

[(1, 256801536), (2, 128400768), (3, 85600512), (4, 64200384), (6, 42800256), (8, 32100192), (9, 28533504), (12, 21400128), (16, 16050096), (18, 14266752), (24, 10700064), (27, 9511168), (32, 8025048), (36, 7133376), (48, 5350032), (53, 4845312), (54, 4755584), (64, 4012524), (72, 3566688), (96, 2675016), (106, 2422656), (108, 2377792), (128, 2006262), (144, 1783344), (159, 1615104), (192, 1337508), (212, 1211328), (216, 1188896), (256, 1003131), (288, 891672), (318, 807552), (384, 668754), (424, 605664), (432, 594448), (477, 538368), (576, 445836), (636, 403776), (701, 366336), (768, 334377), (848, 302832), (864, 297224), (954, 269184), (1152, 222918), (1272, 201888), (1402, 183168), (1431, 179456), (1696, 151416), (1728, 148612), (1908, 134592), (2103, 122112), (2304, 111459), (2544, 100944), (2804, 91584), (2862, 89728), (3392, 75708), (3456, 74306), (3816, 67296), (4206, 61056), (5088, 50472), (5608, 45792), (5724, 44864), (6309, 40704), (6784, 37854), (6912, 37153), (7632, 33648), (8412, 30528), (10176, 25236), (11216, 22896), (11448, 22432), (12618, 20352), (13568, 18927), (15264, 16824)]