12732440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1229}}^1$

素因数の和:1284

約数の個数: 64

約数和(自身を含む): 33652800

約数和(自身を除く): 20920360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 74, 140, 148, 185, 259, 280, 296, 370, 518, 740, 1036, 1229, 1295, 1480, 2072, 2458, 2590, 4916, 5180, 6145, 8603, 9832, 10360, 12290, 17206, 24580, 34412, 43015, 45473, 49160, 68824, 86030, 90946, 172060, 181892, 227365, 318311, 344120, 363784, 454730, 636622, 909460, 1273244, 1591555, 1818920, 2546488, 3183110, 6366220, 12732440]

約数ペア:

[(1, 12732440), (2, 6366220), (4, 3183110), (5, 2546488), (7, 1818920), (8, 1591555), (10, 1273244), (14, 909460), (20, 636622), (28, 454730), (35, 363784), (37, 344120), (40, 318311), (56, 227365), (70, 181892), (74, 172060), (140, 90946), (148, 86030), (185, 68824), (259, 49160), (280, 45473), (296, 43015), (370, 34412), (518, 24580), (740, 17206), (1036, 12290), (1229, 10360), (1295, 9832), (1480, 8603), (2072, 6145), (2458, 5180), (2590, 4916)]