212520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1$

素因数の和:55

約数の個数: 128

約数和(自身を含む): 829440

約数和(自身を除く): 616920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 23, 24, 28, 30, 33, 35, 40, 42, 44, 46, 55, 56, 60, 66, 69, 70, 77, 84, 88, 92, 105, 110, 115, 120, 132, 138, 140, 154, 161, 165, 168, 184, 210, 220, 230, 231, 253, 264, 276, 280, 308, 322, 330, 345, 385, 420, 440, 460, 462, 483, 506, 552, 616, 644, 660, 690, 759, 770, 805, 840, 920, 924, 966, 1012, 1155, 1265, 1288, 1320, 1380, 1518, 1540, 1610, 1771, 1848, 1932, 2024, 2310, 2415, 2530, 2760, 3036, 3080, 3220, 3542, 3795, 3864, 4620, 4830, 5060, 5313, 6072, 6440, 7084, 7590, 8855, 9240, 9660, 10120, 10626, 14168, 15180, 17710, 19320, 21252, 26565, 30360, 35420, 42504, 53130, 70840, 106260, 212520]

約数ペア:

[(1, 212520), (2, 106260), (3, 70840), (4, 53130), (5, 42504), (6, 35420), (7, 30360), (8, 26565), (10, 21252), (11, 19320), (12, 17710), (14, 15180), (15, 14168), (20, 10626), (21, 10120), (22, 9660), (23, 9240), (24, 8855), (28, 7590), (30, 7084), (33, 6440), (35, 6072), (40, 5313), (42, 5060), (44, 4830), (46, 4620), (55, 3864), (56, 3795), (60, 3542), (66, 3220), (69, 3080), (70, 3036), (77, 2760), (84, 2530), (88, 2415), (92, 2310), (105, 2024), (110, 1932), (115, 1848), (120, 1771), (132, 1610), (138, 1540), (140, 1518), (154, 1380), (161, 1320), (165, 1288), (168, 1265), (184, 1155), (210, 1012), (220, 966), (230, 924), (231, 920), (253, 840), (264, 805), (276, 770), (280, 759), (308, 690), (322, 660), (330, 644), (345, 616), (385, 552), (420, 506), (440, 483), (460, 462)]