181008080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{1997}}^1$

素因数の和:2124

約数の個数: 80

約数和(自身を含む): 463791744

約数和(自身を除く): 282783664

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 103, 110, 176, 206, 220, 412, 440, 515, 824, 880, 1030, 1133, 1648, 1997, 2060, 2266, 3994, 4120, 4532, 5665, 7988, 8240, 9064, 9985, 11330, 15976, 18128, 19970, 21967, 22660, 31952, 39940, 43934, 45320, 79880, 87868, 90640, 109835, 159760, 175736, 205691, 219670, 351472, 411382, 439340, 822764, 878680, 1028455, 1645528, 1757360, 2056910, 2262601, 3291056, 4113820, 4525202, 8227640, 9050404, 11313005, 16455280, 18100808, 22626010, 36201616, 45252020, 90504040, 181008080]

約数ペア:

[(1, 181008080), (2, 90504040), (4, 45252020), (5, 36201616), (8, 22626010), (10, 18100808), (11, 16455280), (16, 11313005), (20, 9050404), (22, 8227640), (40, 4525202), (44, 4113820), (55, 3291056), (80, 2262601), (88, 2056910), (103, 1757360), (110, 1645528), (176, 1028455), (206, 878680), (220, 822764), (412, 439340), (440, 411382), (515, 351472), (824, 219670), (880, 205691), (1030, 175736), (1133, 159760), (1648, 109835), (1997, 90640), (2060, 87868), (2266, 79880), (3994, 45320), (4120, 43934), (4532, 39940), (5665, 31952), (7988, 22660), (8240, 21967), (9064, 19970), (9985, 18128), (11330, 15976)]