28740320

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{383}}^1$

素因数の和:472

約数の個数: 96

約数和(自身を含む): 78962688

約数和(自身を除く): 50222368

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 67, 70, 80, 112, 134, 140, 160, 224, 268, 280, 335, 383, 469, 536, 560, 670, 766, 938, 1072, 1120, 1340, 1532, 1876, 1915, 2144, 2345, 2680, 2681, 3064, 3752, 3830, 4690, 5360, 5362, 6128, 7504, 7660, 9380, 10720, 10724, 12256, 13405, 15008, 15320, 18760, 21448, 25661, 26810, 30640, 37520, 42896, 51322, 53620, 61280, 75040, 85792, 102644, 107240, 128305, 179627, 205288, 214480, 256610, 359254, 410576, 428960, 513220, 718508, 821152, 898135, 1026440, 1437016, 1796270, 2052880, 2874032, 3592540, 4105760, 5748064, 7185080, 14370160, 28740320]

約数ペア:

[(1, 28740320), (2, 14370160), (4, 7185080), (5, 5748064), (7, 4105760), (8, 3592540), (10, 2874032), (14, 2052880), (16, 1796270), (20, 1437016), (28, 1026440), (32, 898135), (35, 821152), (40, 718508), (56, 513220), (67, 428960), (70, 410576), (80, 359254), (112, 256610), (134, 214480), (140, 205288), (160, 179627), (224, 128305), (268, 107240), (280, 102644), (335, 85792), (383, 75040), (469, 61280), (536, 53620), (560, 51322), (670, 42896), (766, 37520), (938, 30640), (1072, 26810), (1120, 25661), (1340, 21448), (1532, 18760), (1876, 15320), (1915, 15008), (2144, 13405), (2345, 12256), (2680, 10724), (2681, 10720), (3064, 9380), (3752, 7660), (3830, 7504), (4690, 6128), (5360, 5362)]