818220816

素因数分解:

$2^4\times 3^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{1901}}^1$

素因数の和:1990

約数の個数: 180

約数和(自身を含む): 2708832204

約数和(自身を除く): 1890611388

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 49, 56, 61, 63, 72, 84, 98, 112, 122, 126, 144, 147, 168, 183, 196, 244, 252, 294, 336, 366, 392, 427, 441, 488, 504, 549, 588, 732, 784, 854, 882, 976, 1008, 1098, 1176, 1281, 1464, 1708, 1764, 1901, 2196, 2352, 2562, 2928, 2989, 3416, 3528, 3802, 3843, 4392, 5124, 5703, 5978, 6832, 7056, 7604, 7686, 8784, 8967, 10248, 11406, 11956, 13307, 15208, 15372, 17109, 17934, 20496, 22812, 23912, 26614, 26901, 30416, 30744, 34218, 35868, 39921, 45624, 47824, 53228, 53802, 61488, 68436, 71736, 79842, 91248, 93149, 106456, 107604, 115961, 119763, 136872, 143472, 159684, 186298, 212912, 215208, 231922, 239526, 273744, 279447, 319368, 347883, 372596, 430416, 463844, 479052, 558894, 638736, 695766, 745192, 811727, 838341, 927688, 958104, 1043649, 1117788, 1391532, 1490384, 1623454, 1676682, 1855376, 1916208, 2087298, 2235576, 2435181, 2783064, 3246908, 3353364, 4174596, 4471152, 4870362, 5566128, 5682089, 6493816, 6706728, 7305543, 8349192, 9740724, 11364178, 12987632, 13413456, 14611086, 16698384, 17046267, 19481448, 22728356, 29222172, 34092534, 38962896, 45456712, 51138801, 58444344, 68185068, 90913424, 102277602, 116888688, 136370136, 204555204, 272740272, 409110408, 818220816]

約数ペア:

[(1, 818220816), (2, 409110408), (3, 272740272), (4, 204555204), (6, 136370136), (7, 116888688), (8, 102277602), (9, 90913424), (12, 68185068), (14, 58444344), (16, 51138801), (18, 45456712), (21, 38962896), (24, 34092534), (28, 29222172), (36, 22728356), (42, 19481448), (48, 17046267), (49, 16698384), (56, 14611086), (61, 13413456), (63, 12987632), (72, 11364178), (84, 9740724), (98, 8349192), (112, 7305543), (122, 6706728), (126, 6493816), (144, 5682089), (147, 5566128), (168, 4870362), (183, 4471152), (196, 4174596), (244, 3353364), (252, 3246908), (294, 2783064), (336, 2435181), (366, 2235576), (392, 2087298), (427, 1916208), (441, 1855376), (488, 1676682), (504, 1623454), (549, 1490384), (588, 1391532), (732, 1117788), (784, 1043649), (854, 958104), (882, 927688), (976, 838341), (1008, 811727), (1098, 745192), (1176, 695766), (1281, 638736), (1464, 558894), (1708, 479052), (1764, 463844), (1901, 430416), (2196, 372596), (2352, 347883), (2562, 319368), (2928, 279447), (2989, 273744), (3416, 239526), (3528, 231922), (3802, 215208), (3843, 212912), (4392, 186298), (5124, 159684), (5703, 143472), (5978, 136872), (6832, 119763), (7056, 115961), (7604, 107604), (7686, 106456), (8784, 93149), (8967, 91248), (10248, 79842), (11406, 71736), (11956, 68436), (13307, 61488), (15208, 53802), (15372, 53228), (17109, 47824), (17934, 45624), (20496, 39921), (22812, 35868), (23912, 34218), (26614, 30744), (26901, 30416)]