261003540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{659}}^1$

素因数の和:742

約数の個数: 192

約数和(自身を含む): 894136320

約数和(自身を除く): 633132780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 41, 42, 46, 60, 69, 70, 82, 84, 92, 105, 115, 123, 138, 140, 161, 164, 205, 210, 230, 246, 276, 287, 322, 345, 410, 420, 460, 483, 492, 574, 615, 644, 659, 690, 805, 820, 861, 943, 966, 1148, 1230, 1318, 1380, 1435, 1610, 1722, 1886, 1932, 1977, 2415, 2460, 2636, 2829, 2870, 3220, 3295, 3444, 3772, 3954, 4305, 4613, 4715, 4830, 5658, 5740, 6590, 6601, 7908, 8610, 9226, 9430, 9660, 9885, 11316, 13180, 13202, 13839, 14145, 15157, 17220, 18452, 18860, 19770, 19803, 23065, 26404, 27019, 27678, 28290, 30314, 33005, 39540, 39606, 45471, 46130, 54038, 55356, 56580, 60628, 66010, 69195, 75785, 79212, 81057, 90942, 92260, 99015, 106099, 108076, 132020, 135095, 138390, 151570, 162114, 181884, 189133, 198030, 212198, 227355, 270190, 276780, 303140, 318297, 324228, 378266, 396060, 405285, 424396, 454710, 530495, 540380, 567399, 621437, 636594, 756532, 810570, 909420, 945665, 1060990, 1134798, 1242874, 1273188, 1591485, 1621140, 1864311, 1891330, 2121980, 2269596, 2485748, 2836995, 3107185, 3182970, 3728622, 3782660, 4350059, 5673990, 6214370, 6365940, 7457244, 8700118, 9321555, 11347980, 12428740, 13050177, 17400236, 18643110, 21750295, 26100354, 37286220, 43500590, 52200708, 65250885, 87001180, 130501770, 261003540]

約数ペア:

[(1, 261003540), (2, 130501770), (3, 87001180), (4, 65250885), (5, 52200708), (6, 43500590), (7, 37286220), (10, 26100354), (12, 21750295), (14, 18643110), (15, 17400236), (20, 13050177), (21, 12428740), (23, 11347980), (28, 9321555), (30, 8700118), (35, 7457244), (41, 6365940), (42, 6214370), (46, 5673990), (60, 4350059), (69, 3782660), (70, 3728622), (82, 3182970), (84, 3107185), (92, 2836995), (105, 2485748), (115, 2269596), (123, 2121980), (138, 1891330), (140, 1864311), (161, 1621140), (164, 1591485), (205, 1273188), (210, 1242874), (230, 1134798), (246, 1060990), (276, 945665), (287, 909420), (322, 810570), (345, 756532), (410, 636594), (420, 621437), (460, 567399), (483, 540380), (492, 530495), (574, 454710), (615, 424396), (644, 405285), (659, 396060), (690, 378266), (805, 324228), (820, 318297), (861, 303140), (943, 276780), (966, 270190), (1148, 227355), (1230, 212198), (1318, 198030), (1380, 189133), (1435, 181884), (1610, 162114), (1722, 151570), (1886, 138390), (1932, 135095), (1977, 132020), (2415, 108076), (2460, 106099), (2636, 99015), (2829, 92260), (2870, 90942), (3220, 81057), (3295, 79212), (3444, 75785), (3772, 69195), (3954, 66010), (4305, 60628), (4613, 56580), (4715, 55356), (4830, 54038), (5658, 46130), (5740, 45471), (6590, 39606), (6601, 39540), (7908, 33005), (8610, 30314), (9226, 28290), (9430, 27678), (9660, 27019), (9885, 26404), (11316, 23065), (13180, 19803), (13202, 19770), (13839, 18860), (14145, 18452), (15157, 17220)]