56787920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{4409}}^1$

素因数の和:4452

約数の個数: 80

約数和(自身を含む): 157489920

約数和(自身を除く): 100702000

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, 4409, 6440, 8818, 12880, 17636, 22045, 30863, 35272, 44090, 61726, 70544, 88180, 101407, 123452, 154315, 176360, 202814, 246904, 308630, 352720, 405628, 493808, 507035, 617260, 709849, 811256, 1014070, 1234520, 1419698, 1622512, 2028140, 2469040, 2839396, 3549245, 4056280, 5678792, 7098490, 8112560, 11357584, 14196980, 28393960, 56787920]

約数ペア:

[(1, 56787920), (2, 28393960), (4, 14196980), (5, 11357584), (7, 8112560), (8, 7098490), (10, 5678792), (14, 4056280), (16, 3549245), (20, 2839396), (23, 2469040), (28, 2028140), (35, 1622512), (40, 1419698), (46, 1234520), (56, 1014070), (70, 811256), (80, 709849), (92, 617260), (112, 507035), (115, 493808), (140, 405628), (161, 352720), (184, 308630), (230, 246904), (280, 202814), (322, 176360), (368, 154315), (460, 123452), (560, 101407), (644, 88180), (805, 70544), (920, 61726), (1288, 44090), (1610, 35272), (1840, 30863), (2576, 22045), (3220, 17636), (4409, 12880), (6440, 8818)]