261327456

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{313}}^1$

素因数の和:565

約数の個数: 144

約数和(自身を含む): 806472576

約数和(自身を除く): 545145120

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 96, 104, 117, 144, 156, 208, 223, 234, 288, 312, 313, 416, 446, 468, 624, 626, 669, 892, 936, 939, 1248, 1252, 1338, 1784, 1872, 1878, 2007, 2504, 2676, 2817, 2899, 3568, 3744, 3756, 4014, 4069, 5008, 5352, 5634, 5798, 7136, 7512, 8028, 8138, 8697, 10016, 10704, 11268, 11596, 12207, 15024, 16056, 16276, 17394, 21408, 22536, 23192, 24414, 26091, 30048, 32112, 32552, 34788, 36621, 45072, 46384, 48828, 52182, 64224, 65104, 69576, 69799, 73242, 90144, 92768, 97656, 104364, 130208, 139152, 139598, 146484, 195312, 208728, 209397, 278304, 279196, 292968, 390624, 417456, 418794, 558392, 585936, 628191, 834912, 837588, 907387, 1116784, 1171872, 1256382, 1675176, 1814774, 2233568, 2512764, 2722161, 3350352, 3629548, 5025528, 5444322, 6700704, 7259096, 8166483, 10051056, 10888644, 14518192, 16332966, 20102112, 21777288, 29036384, 32665932, 43554576, 65331864, 87109152, 130663728, 261327456]

約数ペア:

[(1, 261327456), (2, 130663728), (3, 87109152), (4, 65331864), (6, 43554576), (8, 32665932), (9, 29036384), (12, 21777288), (13, 20102112), (16, 16332966), (18, 14518192), (24, 10888644), (26, 10051056), (32, 8166483), (36, 7259096), (39, 6700704), (48, 5444322), (52, 5025528), (72, 3629548), (78, 3350352), (96, 2722161), (104, 2512764), (117, 2233568), (144, 1814774), (156, 1675176), (208, 1256382), (223, 1171872), (234, 1116784), (288, 907387), (312, 837588), (313, 834912), (416, 628191), (446, 585936), (468, 558392), (624, 418794), (626, 417456), (669, 390624), (892, 292968), (936, 279196), (939, 278304), (1248, 209397), (1252, 208728), (1338, 195312), (1784, 146484), (1872, 139598), (1878, 139152), (2007, 130208), (2504, 104364), (2676, 97656), (2817, 92768), (2899, 90144), (3568, 73242), (3744, 69799), (3756, 69576), (4014, 65104), (4069, 64224), (5008, 52182), (5352, 48828), (5634, 46384), (5798, 45072), (7136, 36621), (7512, 34788), (8028, 32552), (8138, 32112), (8697, 30048), (10016, 26091), (10704, 24414), (11268, 23192), (11596, 22536), (12207, 21408), (15024, 17394), (16056, 16276)]