261144624

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{971}}^1$

素因数の和:1426

約数の個数: 80

約数和(自身を含む): 728953344

約数和(自身を除く): 467808720

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 431, 624, 862, 971, 1293, 1724, 1942, 2586, 2913, 3448, 3884, 5172, 5603, 5826, 6896, 7768, 10344, 11206, 11652, 12623, 15536, 16809, 20688, 22412, 23304, 25246, 33618, 37869, 44824, 46608, 50492, 67236, 75738, 89648, 100984, 134472, 151476, 201968, 268944, 302952, 418501, 605904, 837002, 1255503, 1674004, 2511006, 3348008, 5022012, 5440513, 6696016, 10044024, 10881026, 16321539, 20088048, 21762052, 32643078, 43524104, 65286156, 87048208, 130572312, 261144624]

約数ペア:

[(1, 261144624), (2, 130572312), (3, 87048208), (4, 65286156), (6, 43524104), (8, 32643078), (12, 21762052), (13, 20088048), (16, 16321539), (24, 10881026), (26, 10044024), (39, 6696016), (48, 5440513), (52, 5022012), (78, 3348008), (104, 2511006), (156, 1674004), (208, 1255503), (312, 837002), (431, 605904), (624, 418501), (862, 302952), (971, 268944), (1293, 201968), (1724, 151476), (1942, 134472), (2586, 100984), (2913, 89648), (3448, 75738), (3884, 67236), (5172, 50492), (5603, 46608), (5826, 44824), (6896, 37869), (7768, 33618), (10344, 25246), (11206, 23304), (11652, 22412), (12623, 20688), (15536, 16809)]