81232144

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{647}}^1$

素因数の和:740

約数の個数: 80

約数和(自身を含む): 192844800

約数和(自身を除く): 111612656

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 59, 76, 112, 118, 133, 152, 236, 266, 304, 413, 472, 532, 647, 826, 944, 1064, 1121, 1294, 1652, 2128, 2242, 2588, 3304, 4484, 4529, 5176, 6608, 7847, 8968, 9058, 10352, 12293, 15694, 17936, 18116, 24586, 31388, 36232, 38173, 49172, 62776, 72464, 76346, 86051, 98344, 125552, 152692, 172102, 196688, 267211, 305384, 344204, 534422, 610768, 688408, 725287, 1068844, 1376816, 1450574, 2137688, 2901148, 4275376, 5077009, 5802296, 10154018, 11604592, 20308036, 40616072, 81232144]

約数ペア:

[(1, 81232144), (2, 40616072), (4, 20308036), (7, 11604592), (8, 10154018), (14, 5802296), (16, 5077009), (19, 4275376), (28, 2901148), (38, 2137688), (56, 1450574), (59, 1376816), (76, 1068844), (112, 725287), (118, 688408), (133, 610768), (152, 534422), (236, 344204), (266, 305384), (304, 267211), (413, 196688), (472, 172102), (532, 152692), (647, 125552), (826, 98344), (944, 86051), (1064, 76346), (1121, 72464), (1294, 62776), (1652, 49172), (2128, 38173), (2242, 36232), (2588, 31388), (3304, 24586), (4484, 18116), (4529, 17936), (5176, 15694), (6608, 12293), (7847, 10352), (8968, 9058)]