201818280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{787}}^1\times {\mathrm{2137}}^1$

素因数の和:2938

約数の個数: 64

約数和(自身を含む): 606507840

約数和(自身を除く): 404689560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 787, 1574, 2137, 2361, 3148, 3935, 4274, 4722, 6296, 6411, 7870, 8548, 9444, 10685, 11805, 12822, 15740, 17096, 18888, 21370, 23610, 25644, 31480, 32055, 42740, 47220, 51288, 64110, 85480, 94440, 128220, 256440, 1681819, 3363638, 5045457, 6727276, 8409095, 10090914, 13454552, 16818190, 20181828, 25227285, 33636380, 40363656, 50454570, 67272760, 100909140, 201818280]

約数ペア:

[(1, 201818280), (2, 100909140), (3, 67272760), (4, 50454570), (5, 40363656), (6, 33636380), (8, 25227285), (10, 20181828), (12, 16818190), (15, 13454552), (20, 10090914), (24, 8409095), (30, 6727276), (40, 5045457), (60, 3363638), (120, 1681819), (787, 256440), (1574, 128220), (2137, 94440), (2361, 85480), (3148, 64110), (3935, 51288), (4274, 47220), (4722, 42740), (6296, 32055), (6411, 31480), (7870, 25644), (8548, 23610), (9444, 21370), (10685, 18888), (11805, 17096), (12822, 15740)]