16881080

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{311}}^1$

素因数の和:404

約数の個数: 64

約数和(自身を含む): 40435200

約数和(自身を除く): 23554120

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 59, 92, 115, 118, 184, 230, 236, 295, 311, 460, 472, 590, 622, 920, 1180, 1244, 1357, 1555, 2360, 2488, 2714, 3110, 5428, 6220, 6785, 7153, 10856, 12440, 13570, 14306, 18349, 27140, 28612, 35765, 36698, 54280, 57224, 71530, 73396, 91745, 143060, 146792, 183490, 286120, 366980, 422027, 733960, 844054, 1688108, 2110135, 3376216, 4220270, 8440540, 16881080]

約数ペア:

[(1, 16881080), (2, 8440540), (4, 4220270), (5, 3376216), (8, 2110135), (10, 1688108), (20, 844054), (23, 733960), (40, 422027), (46, 366980), (59, 286120), (92, 183490), (115, 146792), (118, 143060), (184, 91745), (230, 73396), (236, 71530), (295, 57224), (311, 54280), (460, 36698), (472, 35765), (590, 28612), (622, 27140), (920, 18349), (1180, 14306), (1244, 13570), (1357, 12440), (1555, 10856), (2360, 7153), (2488, 6785), (2714, 6220), (3110, 5428)]