81150440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{12601}}^1$

素因数の和:12642

約数の個数: 64

約数和(自身を含む): 217762560

約数和(自身を除く): 136612120

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, 12601, 25202, 50404, 63005, 88207, 100808, 126010, 176414, 252020, 289823, 352828, 441035, 504040, 579646, 705656, 882070, 1159292, 1449115, 1764140, 2028761, 2318584, 2898230, 3528280, 4057522, 5796460, 8115044, 10143805, 11592920, 16230088, 20287610, 40575220, 81150440]

約数ペア:

[(1, 81150440), (2, 40575220), (4, 20287610), (5, 16230088), (7, 11592920), (8, 10143805), (10, 8115044), (14, 5796460), (20, 4057522), (23, 3528280), (28, 2898230), (35, 2318584), (40, 2028761), (46, 1764140), (56, 1449115), (70, 1159292), (92, 882070), (115, 705656), (140, 579646), (161, 504040), (184, 441035), (230, 352828), (280, 289823), (322, 252020), (460, 176414), (644, 126010), (805, 100808), (920, 88207), (1288, 63005), (1610, 50404), (3220, 25202), (6440, 12601)]