180345080

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1\times {\mathrm{271}}^1$

素因数の和:540

約数の個数: 64

約数和(自身を含む): 413614080

約数和(自身を除く): 233269000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 131, 254, 262, 271, 508, 524, 542, 635, 655, 1016, 1048, 1084, 1270, 1310, 1355, 2168, 2540, 2620, 2710, 5080, 5240, 5420, 10840, 16637, 33274, 34417, 35501, 66548, 68834, 71002, 83185, 133096, 137668, 142004, 166370, 172085, 177505, 275336, 284008, 332740, 344170, 355010, 665480, 688340, 710020, 1376680, 1420040, 4508627, 9017254, 18034508, 22543135, 36069016, 45086270, 90172540, 180345080]

約数ペア:

[(1, 180345080), (2, 90172540), (4, 45086270), (5, 36069016), (8, 22543135), (10, 18034508), (20, 9017254), (40, 4508627), (127, 1420040), (131, 1376680), (254, 710020), (262, 688340), (271, 665480), (508, 355010), (524, 344170), (542, 332740), (635, 284008), (655, 275336), (1016, 177505), (1048, 172085), (1084, 166370), (1270, 142004), (1310, 137668), (1355, 133096), (2168, 83185), (2540, 71002), (2620, 68834), (2710, 66548), (5080, 35501), (5240, 34417), (5420, 33274), (10840, 16637)]