70840

素因数分解:

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

素因数の和:52

約数の個数: 64

約数和(自身を含む): 207360

約数和(自身を除く): 136520

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 23, 28, 35, 40, 44, 46, 55, 56, 70, 77, 88, 92, 110, 115, 140, 154, 161, 184, 220, 230, 253, 280, 308, 322, 385, 440, 460, 506, 616, 644, 770, 805, 920, 1012, 1265, 1288, 1540, 1610, 1771, 2024, 2530, 3080, 3220, 3542, 5060, 6440, 7084, 8855, 10120, 14168, 17710, 35420, 70840]

約数ペア:

[(1, 70840), (2, 35420), (4, 17710), (5, 14168), (7, 10120), (8, 8855), (10, 7084), (11, 6440), (14, 5060), (20, 3542), (22, 3220), (23, 3080), (28, 2530), (35, 2024), (40, 1771), (44, 1610), (46, 1540), (55, 1288), (56, 1265), (70, 1012), (77, 920), (88, 805), (92, 770), (110, 644), (115, 616), (140, 506), (154, 460), (161, 440), (184, 385), (220, 322), (230, 308), (253, 280)]