2880080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:196

約数の個数: 80

約数和(自身を含む): 7916160

約数和(自身を除く): 5036080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 37, 40, 56, 70, 74, 80, 112, 139, 140, 148, 185, 259, 278, 280, 296, 370, 518, 556, 560, 592, 695, 740, 973, 1036, 1112, 1295, 1390, 1480, 1946, 2072, 2224, 2590, 2780, 2960, 3892, 4144, 4865, 5143, 5180, 5560, 7784, 9730, 10286, 10360, 11120, 15568, 19460, 20572, 20720, 25715, 36001, 38920, 41144, 51430, 72002, 77840, 82288, 102860, 144004, 180005, 205720, 288008, 360010, 411440, 576016, 720020, 1440040, 2880080]

約数ペア:

[(1, 2880080), (2, 1440040), (4, 720020), (5, 576016), (7, 411440), (8, 360010), (10, 288008), (14, 205720), (16, 180005), (20, 144004), (28, 102860), (35, 82288), (37, 77840), (40, 72002), (56, 51430), (70, 41144), (74, 38920), (80, 36001), (112, 25715), (139, 20720), (140, 20572), (148, 19460), (185, 15568), (259, 11120), (278, 10360), (280, 10286), (296, 9730), (370, 7784), (518, 5560), (556, 5180), (560, 5143), (592, 4865), (695, 4144), (740, 3892), (973, 2960), (1036, 2780), (1112, 2590), (1295, 2224), (1390, 2072), (1480, 1946)]