256705488

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{569}}^1$

素因数の和:837

約数の個数: 120

約数和(自身を含む): 778257480

約数和(自身を除く): 521551992

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 208, 234, 241, 312, 468, 482, 569, 624, 723, 936, 964, 1138, 1446, 1707, 1872, 1928, 2169, 2276, 2892, 3133, 3414, 3856, 4338, 4552, 5121, 5784, 6266, 6828, 7397, 8676, 9104, 9399, 10242, 11568, 12532, 13656, 14794, 17352, 18798, 20484, 22191, 25064, 27312, 28197, 29588, 34704, 37596, 40968, 44382, 50128, 56394, 59176, 66573, 75192, 81936, 88764, 112788, 118352, 133146, 137129, 150384, 177528, 225576, 266292, 274258, 355056, 411387, 451152, 532584, 548516, 822774, 1065168, 1097032, 1234161, 1645548, 1782677, 2194064, 2468322, 3291096, 3565354, 4936644, 5348031, 6582192, 7130708, 9873288, 10696062, 14261416, 16044093, 19746576, 21392124, 28522832, 32088186, 42784248, 64176372, 85568496, 128352744, 256705488]

約数ペア:

[(1, 256705488), (2, 128352744), (3, 85568496), (4, 64176372), (6, 42784248), (8, 32088186), (9, 28522832), (12, 21392124), (13, 19746576), (16, 16044093), (18, 14261416), (24, 10696062), (26, 9873288), (36, 7130708), (39, 6582192), (48, 5348031), (52, 4936644), (72, 3565354), (78, 3291096), (104, 2468322), (117, 2194064), (144, 1782677), (156, 1645548), (208, 1234161), (234, 1097032), (241, 1065168), (312, 822774), (468, 548516), (482, 532584), (569, 451152), (624, 411387), (723, 355056), (936, 274258), (964, 266292), (1138, 225576), (1446, 177528), (1707, 150384), (1872, 137129), (1928, 133146), (2169, 118352), (2276, 112788), (2892, 88764), (3133, 81936), (3414, 75192), (3856, 66573), (4338, 59176), (4552, 56394), (5121, 50128), (5784, 44382), (6266, 40968), (6828, 37596), (7397, 34704), (8676, 29588), (9104, 28197), (9399, 27312), (10242, 25064), (11568, 22191), (12532, 20484), (13656, 18798), (14794, 17352)]