320469520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{2521}}^1$

素因数の和:2768

約数の個数: 80

約数和(自身を含む): 855623808

約数和(自身を除く): 535154288

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 227, 280, 454, 560, 908, 1135, 1589, 1816, 2270, 2521, 3178, 3632, 4540, 5042, 6356, 7945, 9080, 10084, 12605, 12712, 15890, 17647, 18160, 20168, 25210, 25424, 31780, 35294, 40336, 50420, 63560, 70588, 88235, 100840, 127120, 141176, 176470, 201680, 282352, 352940, 572267, 705880, 1144534, 1411760, 2289068, 2861335, 4005869, 4578136, 5722670, 8011738, 9156272, 11445340, 16023476, 20029345, 22890680, 32046952, 40058690, 45781360, 64093904, 80117380, 160234760, 320469520]

約数ペア:

[(1, 320469520), (2, 160234760), (4, 80117380), (5, 64093904), (7, 45781360), (8, 40058690), (10, 32046952), (14, 22890680), (16, 20029345), (20, 16023476), (28, 11445340), (35, 9156272), (40, 8011738), (56, 5722670), (70, 4578136), (80, 4005869), (112, 2861335), (140, 2289068), (227, 1411760), (280, 1144534), (454, 705880), (560, 572267), (908, 352940), (1135, 282352), (1589, 201680), (1816, 176470), (2270, 141176), (2521, 127120), (3178, 100840), (3632, 88235), (4540, 70588), (5042, 63560), (6356, 50420), (7945, 40336), (9080, 35294), (10084, 31780), (12605, 25424), (12712, 25210), (15890, 20168), (17647, 18160)]