51230480

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{1867}}^1$

素因数の和:1901

約数の個数: 80

約数和(自身を含む): 138979200

約数和(自身を除く): 87748720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 343, 392, 490, 560, 686, 784, 980, 1372, 1715, 1867, 1960, 2744, 3430, 3734, 3920, 5488, 6860, 7468, 9335, 13069, 13720, 14936, 18670, 26138, 27440, 29872, 37340, 52276, 65345, 74680, 91483, 104552, 130690, 149360, 182966, 209104, 261380, 365932, 457415, 522760, 640381, 731864, 914830, 1045520, 1280762, 1463728, 1829660, 2561524, 3201905, 3659320, 5123048, 6403810, 7318640, 10246096, 12807620, 25615240, 51230480]

約数ペア:

[(1, 51230480), (2, 25615240), (4, 12807620), (5, 10246096), (7, 7318640), (8, 6403810), (10, 5123048), (14, 3659320), (16, 3201905), (20, 2561524), (28, 1829660), (35, 1463728), (40, 1280762), (49, 1045520), (56, 914830), (70, 731864), (80, 640381), (98, 522760), (112, 457415), (140, 365932), (196, 261380), (245, 209104), (280, 182966), (343, 149360), (392, 130690), (490, 104552), (560, 91483), (686, 74680), (784, 65345), (980, 52276), (1372, 37340), (1715, 29872), (1867, 27440), (1960, 26138), (2744, 18670), (3430, 14936), (3734, 13720), (3920, 13069), (5488, 9335), (6860, 7468)]