81942516

素因数分解:

$2^2\times 3^7\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1$

素因数の和:90

約数の個数: 192

約数和(自身を含む): 247968000

約数和(自身を除く): 166025484

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 19, 27, 29, 34, 36, 38, 51, 54, 57, 58, 68, 76, 81, 87, 102, 108, 114, 116, 153, 162, 171, 174, 204, 228, 243, 261, 306, 323, 324, 342, 348, 459, 486, 493, 513, 522, 551, 612, 646, 684, 729, 783, 918, 969, 972, 986, 1026, 1044, 1102, 1292, 1377, 1458, 1479, 1539, 1566, 1653, 1836, 1938, 1972, 2052, 2187, 2204, 2349, 2754, 2907, 2916, 2958, 3078, 3132, 3306, 3876, 4131, 4374, 4437, 4617, 4698, 4959, 5508, 5814, 5916, 6156, 6612, 7047, 8262, 8721, 8748, 8874, 9234, 9367, 9396, 9918, 11628, 12393, 13311, 13851, 14094, 14877, 16524, 17442, 17748, 18468, 18734, 19836, 21141, 24786, 26163, 26622, 27702, 28101, 28188, 29754, 34884, 37179, 37468, 39933, 41553, 42282, 44631, 49572, 52326, 53244, 55404, 56202, 59508, 63423, 74358, 78489, 79866, 83106, 84303, 84564, 89262, 104652, 112404, 119799, 126846, 133893, 148716, 156978, 159732, 166212, 168606, 178524, 235467, 239598, 252909, 253692, 267786, 313956, 337212, 359397, 401679, 470934, 479196, 505818, 535572, 706401, 718794, 758727, 803358, 941868, 1011636, 1078191, 1205037, 1412802, 1437588, 1517454, 1606716, 2156382, 2276181, 2410074, 2825604, 3034908, 4312764, 4552362, 4820148, 6828543, 9104724, 13657086, 20485629, 27314172, 40971258, 81942516]

約数ペア:

[(1, 81942516), (2, 40971258), (3, 27314172), (4, 20485629), (6, 13657086), (9, 9104724), (12, 6828543), (17, 4820148), (18, 4552362), (19, 4312764), (27, 3034908), (29, 2825604), (34, 2410074), (36, 2276181), (38, 2156382), (51, 1606716), (54, 1517454), (57, 1437588), (58, 1412802), (68, 1205037), (76, 1078191), (81, 1011636), (87, 941868), (102, 803358), (108, 758727), (114, 718794), (116, 706401), (153, 535572), (162, 505818), (171, 479196), (174, 470934), (204, 401679), (228, 359397), (243, 337212), (261, 313956), (306, 267786), (323, 253692), (324, 252909), (342, 239598), (348, 235467), (459, 178524), (486, 168606), (493, 166212), (513, 159732), (522, 156978), (551, 148716), (612, 133893), (646, 126846), (684, 119799), (729, 112404), (783, 104652), (918, 89262), (969, 84564), (972, 84303), (986, 83106), (1026, 79866), (1044, 78489), (1102, 74358), (1292, 63423), (1377, 59508), (1458, 56202), (1479, 55404), (1539, 53244), (1566, 52326), (1653, 49572), (1836, 44631), (1938, 42282), (1972, 41553), (2052, 39933), (2187, 37468), (2204, 37179), (2349, 34884), (2754, 29754), (2907, 28188), (2916, 28101), (2958, 27702), (3078, 26622), (3132, 26163), (3306, 24786), (3876, 21141), (4131, 19836), (4374, 18734), (4437, 18468), (4617, 17748), (4698, 17442), (4959, 16524), (5508, 14877), (5814, 14094), (5916, 13851), (6156, 13311), (6612, 12393), (7047, 11628), (8262, 9918), (8721, 9396), (8748, 9367), (8874, 9234)]