68515160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{10639}}^1$

素因数の和:10680

約数の個数: 64

約数和(自身を含む): 183859200

約数和(自身を除く): 115344040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 3220, 6440, 10639, 21278, 42556, 53195, 74473, 85112, 106390, 148946, 212780, 244697, 297892, 372365, 425560, 489394, 595784, 744730, 978788, 1223485, 1489460, 1712879, 1957576, 2446970, 2978920, 3425758, 4893940, 6851516, 8564395, 9787880, 13703032, 17128790, 34257580, 68515160]

約数ペア:

[(1, 68515160), (2, 34257580), (4, 17128790), (5, 13703032), (7, 9787880), (8, 8564395), (10, 6851516), (14, 4893940), (20, 3425758), (23, 2978920), (28, 2446970), (35, 1957576), (40, 1712879), (46, 1489460), (56, 1223485), (70, 978788), (92, 744730), (115, 595784), (140, 489394), (161, 425560), (184, 372365), (230, 297892), (280, 244697), (322, 212780), (460, 148946), (644, 106390), (805, 85112), (920, 74473), (1288, 53195), (1610, 42556), (3220, 21278), (6440, 10639)]