128115456

素因数分解:

$2^8\times 3^1\times 7^1\times {\mathrm{23831}}^1$

素因数の和:23857

約数の個数: 72

約数和(自身を含む): 389700864

約数和(自身を除く): 261585408

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 128, 168, 192, 224, 256, 336, 384, 448, 672, 768, 896, 1344, 1792, 2688, 5376, 23831, 47662, 71493, 95324, 142986, 166817, 190648, 285972, 333634, 381296, 500451, 571944, 667268, 762592, 1000902, 1143888, 1334536, 1525184, 2001804, 2287776, 2669072, 3050368, 4003608, 4575552, 5338144, 6100736, 8007216, 9151104, 10676288, 16014432, 18302208, 21352576, 32028864, 42705152, 64057728, 128115456]

約数ペア:

[(1, 128115456), (2, 64057728), (3, 42705152), (4, 32028864), (6, 21352576), (7, 18302208), (8, 16014432), (12, 10676288), (14, 9151104), (16, 8007216), (21, 6100736), (24, 5338144), (28, 4575552), (32, 4003608), (42, 3050368), (48, 2669072), (56, 2287776), (64, 2001804), (84, 1525184), (96, 1334536), (112, 1143888), (128, 1000902), (168, 762592), (192, 667268), (224, 571944), (256, 500451), (336, 381296), (384, 333634), (448, 285972), (672, 190648), (768, 166817), (896, 142986), (1344, 95324), (1792, 71493), (2688, 47662), (5376, 23831)]