65310640

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1\times {\mathrm{137}}^1$

素因数の和:310

約数の個数: 80

約数和(自身を含む): 157088160

約数和(自身を除く): 91777520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 80, 101, 118, 137, 202, 236, 274, 295, 404, 472, 505, 548, 590, 685, 808, 944, 1010, 1096, 1180, 1370, 1616, 2020, 2192, 2360, 2740, 4040, 4720, 5480, 5959, 8080, 8083, 10960, 11918, 13837, 16166, 23836, 27674, 29795, 32332, 40415, 47672, 55348, 59590, 64664, 69185, 80830, 95344, 110696, 119180, 129328, 138370, 161660, 221392, 238360, 276740, 323320, 476720, 553480, 646640, 816383, 1106960, 1632766, 3265532, 4081915, 6531064, 8163830, 13062128, 16327660, 32655320, 65310640]

約数ペア:

[(1, 65310640), (2, 32655320), (4, 16327660), (5, 13062128), (8, 8163830), (10, 6531064), (16, 4081915), (20, 3265532), (40, 1632766), (59, 1106960), (80, 816383), (101, 646640), (118, 553480), (137, 476720), (202, 323320), (236, 276740), (274, 238360), (295, 221392), (404, 161660), (472, 138370), (505, 129328), (548, 119180), (590, 110696), (685, 95344), (808, 80830), (944, 69185), (1010, 64664), (1096, 59590), (1180, 55348), (1370, 47672), (1616, 40415), (2020, 32332), (2192, 29795), (2360, 27674), (2740, 23836), (4040, 16166), (4720, 13837), (5480, 11918), (5959, 10960), (8080, 8083)]