64541680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{5011}}^1$

素因数の和:5054

約数の個数: 80

約数和(自身を含む): 178988544

約数和(自身を除く): 114446864

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, 5011, 6440, 10022, 12880, 20044, 25055, 35077, 40088, 50110, 70154, 80176, 100220, 115253, 140308, 175385, 200440, 230506, 280616, 350770, 400880, 461012, 561232, 576265, 701540, 806771, 922024, 1152530, 1403080, 1613542, 1844048, 2305060, 2806160, 3227084, 4033855, 4610120, 6454168, 8067710, 9220240, 12908336, 16135420, 32270840, 64541680]

約数ペア:

[(1, 64541680), (2, 32270840), (4, 16135420), (5, 12908336), (7, 9220240), (8, 8067710), (10, 6454168), (14, 4610120), (16, 4033855), (20, 3227084), (23, 2806160), (28, 2305060), (35, 1844048), (40, 1613542), (46, 1403080), (56, 1152530), (70, 922024), (80, 806771), (92, 701540), (112, 576265), (115, 561232), (140, 461012), (161, 400880), (184, 350770), (230, 280616), (280, 230506), (322, 200440), (368, 175385), (460, 140308), (560, 115253), (644, 100220), (805, 80176), (920, 70154), (1288, 50110), (1610, 40088), (1840, 35077), (2576, 25055), (3220, 20044), (5011, 12880), (6440, 10022)]