261681168

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1$

素因数の和:190

約数の個数: 240

約数和(自身を含む): 842279424

約数和(自身を除く): 580598256

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 37, 42, 48, 49, 56, 62, 74, 84, 93, 97, 98, 111, 112, 124, 147, 148, 168, 186, 194, 196, 217, 222, 248, 259, 291, 294, 296, 336, 372, 388, 392, 434, 444, 496, 518, 582, 588, 592, 651, 679, 744, 776, 777, 784, 868, 888, 1036, 1147, 1164, 1176, 1302, 1358, 1488, 1519, 1552, 1554, 1736, 1776, 1813, 2037, 2072, 2294, 2328, 2352, 2604, 2716, 3007, 3038, 3108, 3441, 3472, 3589, 3626, 4074, 4144, 4557, 4588, 4656, 4753, 5208, 5432, 5439, 6014, 6076, 6216, 6882, 7178, 7252, 8029, 8148, 9021, 9114, 9176, 9506, 10416, 10767, 10864, 10878, 12028, 12152, 12432, 13764, 14259, 14356, 14504, 16058, 16296, 18042, 18228, 18352, 19012, 21049, 21534, 21756, 24056, 24087, 24304, 25123, 27528, 28518, 28712, 29008, 32116, 32592, 36084, 36456, 38024, 42098, 43068, 43512, 48112, 48174, 50246, 55056, 56203, 57036, 57424, 63147, 64232, 72168, 72912, 75369, 76048, 84196, 86136, 87024, 96348, 100492, 111259, 112406, 114072, 126294, 128464, 144336, 147343, 150738, 168392, 168609, 172272, 175861, 192696, 200984, 222518, 224812, 228144, 252588, 294686, 301476, 333777, 336784, 337218, 351722, 385392, 401968, 442029, 445036, 449624, 505176, 527583, 589372, 602952, 667554, 674436, 703444, 778813, 884058, 890072, 899248, 1010352, 1055166, 1178744, 1205904, 1335108, 1348872, 1406888, 1557626, 1768116, 1780144, 2110332, 2336439, 2357488, 2670216, 2697744, 2813776, 3115252, 3536232, 4220664, 4672878, 5340432, 5451691, 6230504, 7072464, 8441328, 9345756, 10903382, 12461008, 16355073, 18691512, 21806764, 32710146, 37383024, 43613528, 65420292, 87227056, 130840584, 261681168]

約数ペア:

[(1, 261681168), (2, 130840584), (3, 87227056), (4, 65420292), (6, 43613528), (7, 37383024), (8, 32710146), (12, 21806764), (14, 18691512), (16, 16355073), (21, 12461008), (24, 10903382), (28, 9345756), (31, 8441328), (37, 7072464), (42, 6230504), (48, 5451691), (49, 5340432), (56, 4672878), (62, 4220664), (74, 3536232), (84, 3115252), (93, 2813776), (97, 2697744), (98, 2670216), (111, 2357488), (112, 2336439), (124, 2110332), (147, 1780144), (148, 1768116), (168, 1557626), (186, 1406888), (194, 1348872), (196, 1335108), (217, 1205904), (222, 1178744), (248, 1055166), (259, 1010352), (291, 899248), (294, 890072), (296, 884058), (336, 778813), (372, 703444), (388, 674436), (392, 667554), (434, 602952), (444, 589372), (496, 527583), (518, 505176), (582, 449624), (588, 445036), (592, 442029), (651, 401968), (679, 385392), (744, 351722), (776, 337218), (777, 336784), (784, 333777), (868, 301476), (888, 294686), (1036, 252588), (1147, 228144), (1164, 224812), (1176, 222518), (1302, 200984), (1358, 192696), (1488, 175861), (1519, 172272), (1552, 168609), (1554, 168392), (1736, 150738), (1776, 147343), (1813, 144336), (2037, 128464), (2072, 126294), (2294, 114072), (2328, 112406), (2352, 111259), (2604, 100492), (2716, 96348), (3007, 87024), (3038, 86136), (3108, 84196), (3441, 76048), (3472, 75369), (3589, 72912), (3626, 72168), (4074, 64232), (4144, 63147), (4557, 57424), (4588, 57036), (4656, 56203), (4753, 55056), (5208, 50246), (5432, 48174), (5439, 48112), (6014, 43512), (6076, 43068), (6216, 42098), (6882, 38024), (7178, 36456), (7252, 36084), (8029, 32592), (8148, 32116), (9021, 29008), (9114, 28712), (9176, 28518), (9506, 27528), (10416, 25123), (10767, 24304), (10864, 24087), (10878, 24056), (12028, 21756), (12152, 21534), (12432, 21049), (13764, 19012), (14259, 18352), (14356, 18228), (14504, 18042), (16058, 16296)]