66705520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{5179}}^1$

素因数の和:5222

約数の個数: 80

約数和(自身を含む): 184988160

約数和(自身を除く): 118282640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 1288, 1610, 1840, 2576, 3220, 5179, 6440, 10358, 12880, 20716, 25895, 36253, 41432, 51790, 72506, 82864, 103580, 119117, 145012, 181265, 207160, 238234, 290024, 362530, 414320, 476468, 580048, 595585, 725060, 833819, 952936, 1191170, 1450120, 1667638, 1905872, 2382340, 2900240, 3335276, 4169095, 4764680, 6670552, 8338190, 9529360, 13341104, 16676380, 33352760, 66705520]

約数ペア:

[(1, 66705520), (2, 33352760), (4, 16676380), (5, 13341104), (7, 9529360), (8, 8338190), (10, 6670552), (14, 4764680), (16, 4169095), (20, 3335276), (23, 2900240), (28, 2382340), (35, 1905872), (40, 1667638), (46, 1450120), (56, 1191170), (70, 952936), (80, 833819), (92, 725060), (112, 595585), (115, 580048), (140, 476468), (161, 414320), (184, 362530), (230, 290024), (280, 238234), (322, 207160), (368, 181265), (460, 145012), (560, 119117), (644, 103580), (805, 82864), (920, 72506), (1288, 51790), (1610, 41432), (1840, 36253), (2576, 25895), (3220, 20716), (5179, 12880), (6440, 10358)]