11980020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15359}}^1$

素因数の和:15384

約数の個数: 48

約数和(自身を含む): 36126720

約数和(自身を除く): 24146700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 15359, 30718, 46077, 61436, 76795, 92154, 153590, 184308, 199667, 230385, 307180, 399334, 460770, 599001, 798668, 921540, 998335, 1198002, 1996670, 2396004, 2995005, 3993340, 5990010, 11980020]

約数ペア:

[(1, 11980020), (2, 5990010), (3, 3993340), (4, 2995005), (5, 2396004), (6, 1996670), (10, 1198002), (12, 998335), (13, 921540), (15, 798668), (20, 599001), (26, 460770), (30, 399334), (39, 307180), (52, 230385), (60, 199667), (65, 184308), (78, 153590), (130, 92154), (156, 76795), (195, 61436), (260, 46077), (390, 30718), (780, 15359)]