80917884

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{421}}^1$

素因数の和:731

約数の個数: 72

約数和(自身を含む): 216587280

約数和(自身を除く): 135669396

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 281, 342, 421, 562, 684, 842, 843, 1124, 1263, 1684, 1686, 2526, 2529, 3372, 3789, 5052, 5058, 5339, 7578, 7999, 10116, 10678, 15156, 15998, 16017, 21356, 23997, 31996, 32034, 47994, 48051, 64068, 71991, 95988, 96102, 118301, 143982, 192204, 236602, 287964, 354903, 473204, 709806, 1064709, 1419612, 2129418, 2247719, 4258836, 4495438, 6743157, 8990876, 13486314, 20229471, 26972628, 40458942, 80917884]

約数ペア:

[(1, 80917884), (2, 40458942), (3, 26972628), (4, 20229471), (6, 13486314), (9, 8990876), (12, 6743157), (18, 4495438), (19, 4258836), (36, 2247719), (38, 2129418), (57, 1419612), (76, 1064709), (114, 709806), (171, 473204), (228, 354903), (281, 287964), (342, 236602), (421, 192204), (562, 143982), (684, 118301), (842, 96102), (843, 95988), (1124, 71991), (1263, 64068), (1684, 48051), (1686, 47994), (2526, 32034), (2529, 31996), (3372, 23997), (3789, 21356), (5052, 16017), (5058, 15998), (5339, 15156), (7578, 10678), (7999, 10116)]