87667720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{13613}}^1$

素因数の和:13654

約数の個数: 64

約数和(自身を含む): 235249920

約数和(自身を除く): 147582200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 3220, 6440, 13613, 27226, 54452, 68065, 95291, 108904, 136130, 190582, 272260, 313099, 381164, 476455, 544520, 626198, 762328, 952910, 1252396, 1565495, 1905820, 2191693, 2504792, 3130990, 3811640, 4383386, 6261980, 8766772, 10958465, 12523960, 17533544, 21916930, 43833860, 87667720]

約数ペア:

[(1, 87667720), (2, 43833860), (4, 21916930), (5, 17533544), (7, 12523960), (8, 10958465), (10, 8766772), (14, 6261980), (20, 4383386), (23, 3811640), (28, 3130990), (35, 2504792), (40, 2191693), (46, 1905820), (56, 1565495), (70, 1252396), (92, 952910), (115, 762328), (140, 626198), (161, 544520), (184, 476455), (230, 381164), (280, 313099), (322, 272260), (460, 190582), (644, 136130), (805, 108904), (920, 95291), (1288, 68065), (1610, 54452), (3220, 27226), (6440, 13613)]