28383660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1151}}^1$

素因数の和:1303

約数の個数: 72

約数和(自身を含む): 86800896

約数和(自身を除く): 58417236

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 137, 180, 274, 411, 548, 685, 822, 1151, 1233, 1370, 1644, 2055, 2302, 2466, 2740, 3453, 4110, 4604, 4932, 5755, 6165, 6906, 8220, 10359, 11510, 12330, 13812, 17265, 20718, 23020, 24660, 34530, 41436, 51795, 69060, 103590, 157687, 207180, 315374, 473061, 630748, 788435, 946122, 1419183, 1576870, 1892244, 2365305, 2838366, 3153740, 4730610, 5676732, 7095915, 9461220, 14191830, 28383660]

約数ペア:

[(1, 28383660), (2, 14191830), (3, 9461220), (4, 7095915), (5, 5676732), (6, 4730610), (9, 3153740), (10, 2838366), (12, 2365305), (15, 1892244), (18, 1576870), (20, 1419183), (30, 946122), (36, 788435), (45, 630748), (60, 473061), (90, 315374), (137, 207180), (180, 157687), (274, 103590), (411, 69060), (548, 51795), (685, 41436), (822, 34530), (1151, 24660), (1233, 23020), (1370, 20718), (1644, 17265), (2055, 13812), (2302, 12330), (2466, 11510), (2740, 10359), (3453, 8220), (4110, 6906), (4604, 6165), (4932, 5755)]