81303588

素因数分解:

$2^2\times 3^4\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{509}}^1$

素因数の和:571

約数の個数: 120

約数和(自身を含む): 233263800

約数和(自身を除く): 151960212

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 27, 29, 34, 36, 51, 54, 58, 68, 81, 87, 102, 108, 116, 153, 162, 174, 204, 261, 306, 324, 348, 459, 493, 509, 522, 612, 783, 918, 986, 1018, 1044, 1377, 1479, 1527, 1566, 1836, 1972, 2036, 2349, 2754, 2958, 3054, 3132, 4437, 4581, 4698, 5508, 5916, 6108, 8653, 8874, 9162, 9396, 13311, 13743, 14761, 17306, 17748, 18324, 25959, 26622, 27486, 29522, 34612, 39933, 41229, 44283, 51918, 53244, 54972, 59044, 77877, 79866, 82458, 88566, 103836, 132849, 155754, 159732, 164916, 177132, 233631, 250937, 265698, 311508, 398547, 467262, 501874, 531396, 700893, 752811, 797094, 934524, 1003748, 1195641, 1401786, 1505622, 1594188, 2258433, 2391282, 2803572, 3011244, 4516866, 4782564, 6775299, 9033732, 13550598, 20325897, 27101196, 40651794, 81303588]

約数ペア:

[(1, 81303588), (2, 40651794), (3, 27101196), (4, 20325897), (6, 13550598), (9, 9033732), (12, 6775299), (17, 4782564), (18, 4516866), (27, 3011244), (29, 2803572), (34, 2391282), (36, 2258433), (51, 1594188), (54, 1505622), (58, 1401786), (68, 1195641), (81, 1003748), (87, 934524), (102, 797094), (108, 752811), (116, 700893), (153, 531396), (162, 501874), (174, 467262), (204, 398547), (261, 311508), (306, 265698), (324, 250937), (348, 233631), (459, 177132), (493, 164916), (509, 159732), (522, 155754), (612, 132849), (783, 103836), (918, 88566), (986, 82458), (1018, 79866), (1044, 77877), (1377, 59044), (1479, 54972), (1527, 53244), (1566, 51918), (1836, 44283), (1972, 41229), (2036, 39933), (2349, 34612), (2754, 29522), (2958, 27486), (3054, 26622), (3132, 25959), (4437, 18324), (4581, 17748), (4698, 17306), (5508, 14761), (5916, 13743), (6108, 13311), (8653, 9396), (8874, 9162)]