81431328

素因数分解:

$2^5\times 3^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{1307}}^1$

素因数の和:1390

約数の個数: 96

約数和(自身を含む): 237323520

約数和(自身を除く): 155892192

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 44, 48, 59, 66, 88, 96, 118, 132, 176, 177, 236, 264, 352, 354, 472, 528, 649, 708, 944, 1056, 1298, 1307, 1416, 1888, 1947, 2596, 2614, 2832, 3894, 3921, 5192, 5228, 5664, 7788, 7842, 10384, 10456, 14377, 15576, 15684, 20768, 20912, 28754, 31152, 31368, 41824, 43131, 57508, 62304, 62736, 77113, 86262, 115016, 125472, 154226, 172524, 230032, 231339, 308452, 345048, 460064, 462678, 616904, 690096, 848243, 925356, 1233808, 1380192, 1696486, 1850712, 2467616, 2544729, 3392972, 3701424, 5089458, 6785944, 7402848, 10178916, 13571888, 20357832, 27143776, 40715664, 81431328]

約数ペア:

[(1, 81431328), (2, 40715664), (3, 27143776), (4, 20357832), (6, 13571888), (8, 10178916), (11, 7402848), (12, 6785944), (16, 5089458), (22, 3701424), (24, 3392972), (32, 2544729), (33, 2467616), (44, 1850712), (48, 1696486), (59, 1380192), (66, 1233808), (88, 925356), (96, 848243), (118, 690096), (132, 616904), (176, 462678), (177, 460064), (236, 345048), (264, 308452), (352, 231339), (354, 230032), (472, 172524), (528, 154226), (649, 125472), (708, 115016), (944, 86262), (1056, 77113), (1298, 62736), (1307, 62304), (1416, 57508), (1888, 43131), (1947, 41824), (2596, 31368), (2614, 31152), (2832, 28754), (3894, 20912), (3921, 20768), (5192, 15684), (5228, 15576), (5664, 14377), (7788, 10456), (7842, 10384)]