261830016

素因数分解:

$2^7\times 3^3\times 7^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:246

約数の個数: 256

約数和(自身を含む): 900864000

約数和(自身を除く): 639033984

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 64, 72, 79, 84, 96, 108, 112, 126, 128, 137, 144, 158, 168, 189, 192, 216, 224, 237, 252, 274, 288, 316, 336, 378, 384, 411, 432, 448, 474, 504, 548, 553, 576, 632, 672, 711, 756, 822, 864, 896, 948, 959, 1008, 1096, 1106, 1152, 1233, 1264, 1344, 1422, 1512, 1644, 1659, 1728, 1896, 1918, 2016, 2133, 2192, 2212, 2466, 2528, 2688, 2844, 2877, 3024, 3288, 3318, 3456, 3699, 3792, 3836, 4032, 4266, 4384, 4424, 4932, 4977, 5056, 5688, 5754, 6048, 6576, 6636, 7398, 7584, 7672, 8064, 8532, 8631, 8768, 8848, 9864, 9954, 10112, 10823, 11376, 11508, 12096, 13152, 13272, 14796, 14931, 15168, 15344, 17064, 17262, 17536, 17696, 19728, 19908, 21646, 22752, 23016, 24192, 25893, 26304, 26544, 29592, 29862, 30336, 30688, 32469, 34128, 34524, 35392, 39456, 39816, 43292, 45504, 46032, 51786, 52608, 53088, 59184, 59724, 61376, 64938, 68256, 69048, 70784, 75761, 78912, 79632, 86584, 91008, 92064, 97407, 103572, 106176, 118368, 119448, 122752, 129876, 136512, 138096, 151522, 157824, 159264, 173168, 184128, 194814, 207144, 212352, 227283, 236736, 238896, 259752, 273024, 276192, 292221, 303044, 318528, 346336, 368256, 389628, 414288, 454566, 473472, 477792, 519504, 552384, 584442, 606088, 637056, 681849, 692672, 779256, 828576, 909132, 955584, 1039008, 1104768, 1168884, 1212176, 1363698, 1385344, 1558512, 1657152, 1818264, 1911168, 2045547, 2078016, 2337768, 2424352, 2727396, 3117024, 3314304, 3636528, 4091094, 4156032, 4675536, 4848704, 5454792, 6234048, 7273056, 8182188, 9351072, 9697408, 10909584, 12468096, 14546112, 16364376, 18702144, 21819168, 29092224, 32728752, 37404288, 43638336, 65457504, 87276672, 130915008, 261830016]

約数ペア:

[(1, 261830016), (2, 130915008), (3, 87276672), (4, 65457504), (6, 43638336), (7, 37404288), (8, 32728752), (9, 29092224), (12, 21819168), (14, 18702144), (16, 16364376), (18, 14546112), (21, 12468096), (24, 10909584), (27, 9697408), (28, 9351072), (32, 8182188), (36, 7273056), (42, 6234048), (48, 5454792), (54, 4848704), (56, 4675536), (63, 4156032), (64, 4091094), (72, 3636528), (79, 3314304), (84, 3117024), (96, 2727396), (108, 2424352), (112, 2337768), (126, 2078016), (128, 2045547), (137, 1911168), (144, 1818264), (158, 1657152), (168, 1558512), (189, 1385344), (192, 1363698), (216, 1212176), (224, 1168884), (237, 1104768), (252, 1039008), (274, 955584), (288, 909132), (316, 828576), (336, 779256), (378, 692672), (384, 681849), (411, 637056), (432, 606088), (448, 584442), (474, 552384), (504, 519504), (548, 477792), (553, 473472), (576, 454566), (632, 414288), (672, 389628), (711, 368256), (756, 346336), (822, 318528), (864, 303044), (896, 292221), (948, 276192), (959, 273024), (1008, 259752), (1096, 238896), (1106, 236736), (1152, 227283), (1233, 212352), (1264, 207144), (1344, 194814), (1422, 184128), (1512, 173168), (1644, 159264), (1659, 157824), (1728, 151522), (1896, 138096), (1918, 136512), (2016, 129876), (2133, 122752), (2192, 119448), (2212, 118368), (2466, 106176), (2528, 103572), (2688, 97407), (2844, 92064), (2877, 91008), (3024, 86584), (3288, 79632), (3318, 78912), (3456, 75761), (3699, 70784), (3792, 69048), (3836, 68256), (4032, 64938), (4266, 61376), (4384, 59724), (4424, 59184), (4932, 53088), (4977, 52608), (5056, 51786), (5688, 46032), (5754, 45504), (6048, 43292), (6576, 39816), (6636, 39456), (7398, 35392), (7584, 34524), (7672, 34128), (8064, 32469), (8532, 30688), (8631, 30336), (8768, 29862), (8848, 29592), (9864, 26544), (9954, 26304), (10112, 25893), (10823, 24192), (11376, 23016), (11508, 22752), (12096, 21646), (13152, 19908), (13272, 19728), (14796, 17696), (14931, 17536), (15168, 17262), (15344, 17064)]