81788292

素因数分解:

$2^2\times 3^4\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{479}}^1$

素因数の和:543

約数の個数: 120

約数和(自身を含む): 234178560

約数和(自身を除く): 152390268

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 27, 31, 34, 36, 51, 54, 62, 68, 81, 93, 102, 108, 124, 153, 162, 186, 204, 279, 306, 324, 372, 459, 479, 527, 558, 612, 837, 918, 958, 1054, 1116, 1377, 1437, 1581, 1674, 1836, 1916, 2108, 2511, 2754, 2874, 3162, 3348, 4311, 4743, 5022, 5508, 5748, 6324, 8143, 8622, 9486, 10044, 12933, 14229, 14849, 16286, 17244, 18972, 24429, 25866, 28458, 29698, 32572, 38799, 42687, 44547, 48858, 51732, 56916, 59396, 73287, 77598, 85374, 89094, 97716, 133641, 146574, 155196, 170748, 178188, 219861, 252433, 267282, 293148, 400923, 439722, 504866, 534564, 659583, 757299, 801846, 879444, 1009732, 1202769, 1319166, 1514598, 1603692, 2271897, 2405538, 2638332, 3029196, 4543794, 4811076, 6815691, 9087588, 13631382, 20447073, 27262764, 40894146, 81788292]

約数ペア:

[(1, 81788292), (2, 40894146), (3, 27262764), (4, 20447073), (6, 13631382), (9, 9087588), (12, 6815691), (17, 4811076), (18, 4543794), (27, 3029196), (31, 2638332), (34, 2405538), (36, 2271897), (51, 1603692), (54, 1514598), (62, 1319166), (68, 1202769), (81, 1009732), (93, 879444), (102, 801846), (108, 757299), (124, 659583), (153, 534564), (162, 504866), (186, 439722), (204, 400923), (279, 293148), (306, 267282), (324, 252433), (372, 219861), (459, 178188), (479, 170748), (527, 155196), (558, 146574), (612, 133641), (837, 97716), (918, 89094), (958, 85374), (1054, 77598), (1116, 73287), (1377, 59396), (1437, 56916), (1581, 51732), (1674, 48858), (1836, 44547), (1916, 42687), (2108, 38799), (2511, 32572), (2754, 29698), (2874, 28458), (3162, 25866), (3348, 24429), (4311, 18972), (4743, 17244), (5022, 16286), (5508, 14849), (5748, 14229), (6324, 12933), (8143, 10044), (8622, 9486)]