64405744

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{379}}^1$

素因数の和:462

約数の個数: 80

約数和(自身を含む): 145129600

約数和(自身を除く): 80723856

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 43, 52, 76, 86, 104, 152, 172, 208, 247, 304, 344, 379, 494, 559, 688, 758, 817, 988, 1118, 1516, 1634, 1976, 2236, 3032, 3268, 3952, 4472, 4927, 6064, 6536, 7201, 8944, 9854, 10621, 13072, 14402, 16297, 19708, 21242, 28804, 32594, 39416, 42484, 57608, 65188, 78832, 84968, 93613, 115216, 130376, 169936, 187226, 211861, 260752, 309643, 374452, 423722, 619286, 748904, 847444, 1238572, 1497808, 1694888, 2477144, 3389776, 4025359, 4954288, 8050718, 16101436, 32202872, 64405744]

約数ペア:

[(1, 64405744), (2, 32202872), (4, 16101436), (8, 8050718), (13, 4954288), (16, 4025359), (19, 3389776), (26, 2477144), (38, 1694888), (43, 1497808), (52, 1238572), (76, 847444), (86, 748904), (104, 619286), (152, 423722), (172, 374452), (208, 309643), (247, 260752), (304, 211861), (344, 187226), (379, 169936), (494, 130376), (559, 115216), (688, 93613), (758, 84968), (817, 78832), (988, 65188), (1118, 57608), (1516, 42484), (1634, 39416), (1976, 32594), (2236, 28804), (3032, 21242), (3268, 19708), (3952, 16297), (4472, 14402), (4927, 13072), (6064, 10621), (6536, 9854), (7201, 8944)]