261297792

素因数分解:

$2^7\times 3^3\times 7^2\times {\mathrm{1543}}^1$

素因数の和:1580

約数の個数: 192

約数和(自身を含む): 897681600

約数和(自身を除く): 636383808

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 49, 54, 56, 63, 64, 72, 84, 96, 98, 108, 112, 126, 128, 144, 147, 168, 189, 192, 196, 216, 224, 252, 288, 294, 336, 378, 384, 392, 432, 441, 448, 504, 576, 588, 672, 756, 784, 864, 882, 896, 1008, 1152, 1176, 1323, 1344, 1512, 1543, 1568, 1728, 1764, 2016, 2352, 2646, 2688, 3024, 3086, 3136, 3456, 3528, 4032, 4629, 4704, 5292, 6048, 6172, 6272, 7056, 8064, 9258, 9408, 10584, 10801, 12096, 12344, 13887, 14112, 18516, 18816, 21168, 21602, 24192, 24688, 27774, 28224, 32403, 37032, 41661, 42336, 43204, 49376, 55548, 56448, 64806, 74064, 75607, 83322, 84672, 86408, 97209, 98752, 111096, 129612, 148128, 151214, 166644, 169344, 172816, 194418, 197504, 222192, 226821, 259224, 291627, 296256, 302428, 333288, 345632, 388836, 444384, 453642, 518448, 583254, 592512, 604856, 666576, 680463, 691264, 777672, 888768, 907284, 1036896, 1166508, 1209712, 1333152, 1360926, 1382528, 1555344, 1777536, 1814568, 2041389, 2073792, 2333016, 2419424, 2666304, 2721852, 3110688, 3629136, 4082778, 4147584, 4666032, 4838848, 5332608, 5443704, 6221376, 7258272, 8165556, 9332064, 9677696, 10887408, 12442752, 14516544, 16331112, 18664128, 21774816, 29033088, 32662224, 37328256, 43549632, 65324448, 87099264, 130648896, 261297792]

約数ペア:

[(1, 261297792), (2, 130648896), (3, 87099264), (4, 65324448), (6, 43549632), (7, 37328256), (8, 32662224), (9, 29033088), (12, 21774816), (14, 18664128), (16, 16331112), (18, 14516544), (21, 12442752), (24, 10887408), (27, 9677696), (28, 9332064), (32, 8165556), (36, 7258272), (42, 6221376), (48, 5443704), (49, 5332608), (54, 4838848), (56, 4666032), (63, 4147584), (64, 4082778), (72, 3629136), (84, 3110688), (96, 2721852), (98, 2666304), (108, 2419424), (112, 2333016), (126, 2073792), (128, 2041389), (144, 1814568), (147, 1777536), (168, 1555344), (189, 1382528), (192, 1360926), (196, 1333152), (216, 1209712), (224, 1166508), (252, 1036896), (288, 907284), (294, 888768), (336, 777672), (378, 691264), (384, 680463), (392, 666576), (432, 604856), (441, 592512), (448, 583254), (504, 518448), (576, 453642), (588, 444384), (672, 388836), (756, 345632), (784, 333288), (864, 302428), (882, 296256), (896, 291627), (1008, 259224), (1152, 226821), (1176, 222192), (1323, 197504), (1344, 194418), (1512, 172816), (1543, 169344), (1568, 166644), (1728, 151214), (1764, 148128), (2016, 129612), (2352, 111096), (2646, 98752), (2688, 97209), (3024, 86408), (3086, 84672), (3136, 83322), (3456, 75607), (3528, 74064), (4032, 64806), (4629, 56448), (4704, 55548), (5292, 49376), (6048, 43204), (6172, 42336), (6272, 41661), (7056, 37032), (8064, 32403), (9258, 28224), (9408, 27774), (10584, 24688), (10801, 24192), (12096, 21602), (12344, 21168), (13887, 18816), (14112, 18516)]