258945920

素因数分解:

$2^7\times 5^1\times {\mathrm{271}}^1\times {\mathrm{1493}}^1$

素因数の和:1783

約数の個数: 64

約数和(自身を含む): 621743040

約数和(自身を除く): 362797120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 271, 320, 542, 640, 1084, 1355, 1493, 2168, 2710, 2986, 4336, 5420, 5972, 7465, 8672, 10840, 11944, 14930, 17344, 21680, 23888, 29860, 34688, 43360, 47776, 59720, 86720, 95552, 119440, 173440, 191104, 238880, 404603, 477760, 809206, 955520, 1618412, 2023015, 3236824, 4046030, 6473648, 8092060, 12947296, 16184120, 25894592, 32368240, 51789184, 64736480, 129472960, 258945920]

約数ペア:

[(1, 258945920), (2, 129472960), (4, 64736480), (5, 51789184), (8, 32368240), (10, 25894592), (16, 16184120), (20, 12947296), (32, 8092060), (40, 6473648), (64, 4046030), (80, 3236824), (128, 2023015), (160, 1618412), (271, 955520), (320, 809206), (542, 477760), (640, 404603), (1084, 238880), (1355, 191104), (1493, 173440), (2168, 119440), (2710, 95552), (2986, 86720), (4336, 59720), (5420, 47776), (5972, 43360), (7465, 34688), (8672, 29860), (10840, 23888), (11944, 21680), (14930, 17344)]