79862720

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{353}}^1$

素因数の和:478

約数の個数: 112

約数和(自身を含む): 220114368

約数和(自身を除く): 140251648

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 101, 112, 140, 160, 202, 224, 280, 320, 353, 404, 448, 505, 560, 706, 707, 808, 1010, 1120, 1412, 1414, 1616, 1765, 2020, 2240, 2471, 2824, 2828, 3232, 3530, 3535, 4040, 4942, 5648, 5656, 6464, 7060, 7070, 8080, 9884, 11296, 11312, 12355, 14120, 14140, 16160, 19768, 22592, 22624, 24710, 28240, 28280, 32320, 35653, 39536, 45248, 49420, 56480, 56560, 71306, 79072, 98840, 112960, 113120, 142612, 158144, 178265, 197680, 226240, 249571, 285224, 356530, 395360, 499142, 570448, 713060, 790720, 998284, 1140896, 1247855, 1426120, 1996568, 2281792, 2495710, 2852240, 3993136, 4991420, 5704480, 7986272, 9982840, 11408960, 15972544, 19965680, 39931360, 79862720]

約数ペア:

[(1, 79862720), (2, 39931360), (4, 19965680), (5, 15972544), (7, 11408960), (8, 9982840), (10, 7986272), (14, 5704480), (16, 4991420), (20, 3993136), (28, 2852240), (32, 2495710), (35, 2281792), (40, 1996568), (56, 1426120), (64, 1247855), (70, 1140896), (80, 998284), (101, 790720), (112, 713060), (140, 570448), (160, 499142), (202, 395360), (224, 356530), (280, 285224), (320, 249571), (353, 226240), (404, 197680), (448, 178265), (505, 158144), (560, 142612), (706, 113120), (707, 112960), (808, 98840), (1010, 79072), (1120, 71306), (1412, 56560), (1414, 56480), (1616, 49420), (1765, 45248), (2020, 39536), (2240, 35653), (2471, 32320), (2824, 28280), (2828, 28240), (3232, 24710), (3530, 22624), (3535, 22592), (4040, 19768), (4942, 16160), (5648, 14140), (5656, 14120), (6464, 12355), (7060, 11312), (7070, 11296), (8080, 9884)]