220782960

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{306643}}^1$

素因数の和:306662

約数の個数: 60

約数和(自身を含む): 741465192

約数和(自身を除く): 520682232

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 306643, 613286, 919929, 1226572, 1533215, 1839858, 2453144, 2759787, 3066430, 3679716, 4599645, 4906288, 5519574, 6132860, 7359432, 9199290, 11039148, 12265720, 13798935, 14718864, 18398580, 22078296, 24531440, 27597870, 36797160, 44156592, 55195740, 73594320, 110391480, 220782960]

約数ペア:

[(1, 220782960), (2, 110391480), (3, 73594320), (4, 55195740), (5, 44156592), (6, 36797160), (8, 27597870), (9, 24531440), (10, 22078296), (12, 18398580), (15, 14718864), (16, 13798935), (18, 12265720), (20, 11039148), (24, 9199290), (30, 7359432), (36, 6132860), (40, 5519574), (45, 4906288), (48, 4599645), (60, 3679716), (72, 3066430), (80, 2759787), (90, 2453144), (120, 1839858), (144, 1533215), (180, 1226572), (240, 919929), (360, 613286), (720, 306643)]