2807560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{271}}^1$

素因数の和:326

約数の個数: 64

約数和(自身を含む): 7441920

約数和(自身を除く): 4634360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 74, 140, 148, 185, 259, 271, 280, 296, 370, 518, 542, 740, 1036, 1084, 1295, 1355, 1480, 1897, 2072, 2168, 2590, 2710, 3794, 5180, 5420, 7588, 9485, 10027, 10360, 10840, 15176, 18970, 20054, 37940, 40108, 50135, 70189, 75880, 80216, 100270, 140378, 200540, 280756, 350945, 401080, 561512, 701890, 1403780, 2807560]

約数ペア:

[(1, 2807560), (2, 1403780), (4, 701890), (5, 561512), (7, 401080), (8, 350945), (10, 280756), (14, 200540), (20, 140378), (28, 100270), (35, 80216), (37, 75880), (40, 70189), (56, 50135), (70, 40108), (74, 37940), (140, 20054), (148, 18970), (185, 15176), (259, 10840), (271, 10360), (280, 10027), (296, 9485), (370, 7588), (518, 5420), (542, 5180), (740, 3794), (1036, 2710), (1084, 2590), (1295, 2168), (1355, 2072), (1480, 1897)]