171065720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{263}}^1$

素因数の和:405

約数の個数: 128

約数和(自身を含む): 465315840

約数和(自身を除く): 294250120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 101, 115, 140, 161, 184, 202, 230, 263, 280, 322, 404, 460, 505, 526, 644, 707, 805, 808, 920, 1010, 1052, 1288, 1315, 1414, 1610, 1841, 2020, 2104, 2323, 2630, 2828, 3220, 3535, 3682, 4040, 4646, 5260, 5656, 6049, 6440, 7070, 7364, 9205, 9292, 10520, 11615, 12098, 14140, 14728, 16261, 18410, 18584, 23230, 24196, 26563, 28280, 30245, 32522, 36820, 42343, 46460, 48392, 53126, 60490, 65044, 73640, 81305, 84686, 92920, 106252, 120980, 130088, 132815, 162610, 169372, 185941, 211715, 212504, 241960, 265630, 325220, 338744, 371882, 423430, 531260, 610949, 650440, 743764, 846860, 929705, 1062520, 1221898, 1487528, 1693720, 1859410, 2443796, 3054745, 3718820, 4276643, 4887592, 6109490, 7437640, 8553286, 12218980, 17106572, 21383215, 24437960, 34213144, 42766430, 85532860, 171065720]

約数ペア:

[(1, 171065720), (2, 85532860), (4, 42766430), (5, 34213144), (7, 24437960), (8, 21383215), (10, 17106572), (14, 12218980), (20, 8553286), (23, 7437640), (28, 6109490), (35, 4887592), (40, 4276643), (46, 3718820), (56, 3054745), (70, 2443796), (92, 1859410), (101, 1693720), (115, 1487528), (140, 1221898), (161, 1062520), (184, 929705), (202, 846860), (230, 743764), (263, 650440), (280, 610949), (322, 531260), (404, 423430), (460, 371882), (505, 338744), (526, 325220), (644, 265630), (707, 241960), (805, 212504), (808, 211715), (920, 185941), (1010, 169372), (1052, 162610), (1288, 132815), (1315, 130088), (1414, 120980), (1610, 106252), (1841, 92920), (2020, 84686), (2104, 81305), (2323, 73640), (2630, 65044), (2828, 60490), (3220, 53126), (3535, 48392), (3682, 46460), (4040, 42343), (4646, 36820), (5260, 32522), (5656, 30245), (6049, 28280), (6440, 26563), (7070, 24196), (7364, 23230), (9205, 18584), (9292, 18410), (10520, 16261), (11615, 14728), (12098, 14140)]