3147920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{109}}^1$

素因数の和:160

約数の個数: 60

約数和(自身を含む): 7795260

約数和(自身を除く): 4647340

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 109, 152, 190, 218, 304, 361, 380, 436, 545, 722, 760, 872, 1090, 1444, 1520, 1744, 1805, 2071, 2180, 2888, 3610, 4142, 4360, 5776, 7220, 8284, 8720, 10355, 14440, 16568, 20710, 28880, 33136, 39349, 41420, 78698, 82840, 157396, 165680, 196745, 314792, 393490, 629584, 786980, 1573960, 3147920]

約数ペア:

[(1, 3147920), (2, 1573960), (4, 786980), (5, 629584), (8, 393490), (10, 314792), (16, 196745), (19, 165680), (20, 157396), (38, 82840), (40, 78698), (76, 41420), (80, 39349), (95, 33136), (109, 28880), (152, 20710), (190, 16568), (218, 14440), (304, 10355), (361, 8720), (380, 8284), (436, 7220), (545, 5776), (722, 4360), (760, 4142), (872, 3610), (1090, 2888), (1444, 2180), (1520, 2071), (1744, 1805)]