90111280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{4349}}^1$

素因数の和:4406

約数の個数: 80

約数和(自身を含む): 245966400

約数和(自身を除く): 155855120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 37, 40, 56, 70, 74, 80, 112, 140, 148, 185, 259, 280, 296, 370, 518, 560, 592, 740, 1036, 1295, 1480, 2072, 2590, 2960, 4144, 4349, 5180, 8698, 10360, 17396, 20720, 21745, 30443, 34792, 43490, 60886, 69584, 86980, 121772, 152215, 160913, 173960, 243544, 304430, 321826, 347920, 487088, 608860, 643652, 804565, 1126391, 1217720, 1287304, 1609130, 2252782, 2435440, 2574608, 3218260, 4505564, 5631955, 6436520, 9011128, 11263910, 12873040, 18022256, 22527820, 45055640, 90111280]

約数ペア:

[(1, 90111280), (2, 45055640), (4, 22527820), (5, 18022256), (7, 12873040), (8, 11263910), (10, 9011128), (14, 6436520), (16, 5631955), (20, 4505564), (28, 3218260), (35, 2574608), (37, 2435440), (40, 2252782), (56, 1609130), (70, 1287304), (74, 1217720), (80, 1126391), (112, 804565), (140, 643652), (148, 608860), (185, 487088), (259, 347920), (280, 321826), (296, 304430), (370, 243544), (518, 173960), (560, 160913), (592, 152215), (740, 121772), (1036, 86980), (1295, 69584), (1480, 60886), (2072, 43490), (2590, 34792), (2960, 30443), (4144, 21745), (4349, 20720), (5180, 17396), (8698, 10360)]