11605720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{229}}^1$

素因数の和:428

約数の個数: 64

約数和(自身を含む): 30139200

約数和(自身を除く): 18533480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 181, 229, 280, 362, 458, 724, 905, 916, 1145, 1267, 1448, 1603, 1810, 1832, 2290, 2534, 3206, 3620, 4580, 5068, 6335, 6412, 7240, 8015, 9160, 10136, 12670, 12824, 16030, 25340, 32060, 41449, 50680, 64120, 82898, 165796, 207245, 290143, 331592, 414490, 580286, 828980, 1160572, 1450715, 1657960, 2321144, 2901430, 5802860, 11605720]

約数ペア:

[(1, 11605720), (2, 5802860), (4, 2901430), (5, 2321144), (7, 1657960), (8, 1450715), (10, 1160572), (14, 828980), (20, 580286), (28, 414490), (35, 331592), (40, 290143), (56, 207245), (70, 165796), (140, 82898), (181, 64120), (229, 50680), (280, 41449), (362, 32060), (458, 25340), (724, 16030), (905, 12824), (916, 12670), (1145, 10136), (1267, 9160), (1448, 8015), (1603, 7240), (1810, 6412), (1832, 6335), (2290, 5068), (2534, 4580), (3206, 3620)]