128348360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{347}}^1\times {\mathrm{1321}}^1$

素因数の和:1686

約数の個数: 64

約数和(自身を含む): 331240320

約数和(自身を除く): 202891960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 347, 694, 1321, 1388, 1735, 2429, 2642, 2776, 3470, 4858, 5284, 6605, 6940, 9247, 9716, 10568, 12145, 13210, 13880, 18494, 19432, 24290, 26420, 36988, 46235, 48580, 52840, 73976, 92470, 97160, 184940, 369880, 458387, 916774, 1833548, 2291935, 3208709, 3667096, 4583870, 6417418, 9167740, 12834836, 16043545, 18335480, 25669672, 32087090, 64174180, 128348360]

約数ペア:

[(1, 128348360), (2, 64174180), (4, 32087090), (5, 25669672), (7, 18335480), (8, 16043545), (10, 12834836), (14, 9167740), (20, 6417418), (28, 4583870), (35, 3667096), (40, 3208709), (56, 2291935), (70, 1833548), (140, 916774), (280, 458387), (347, 369880), (694, 184940), (1321, 97160), (1388, 92470), (1735, 73976), (2429, 52840), (2642, 48580), (2776, 46235), (3470, 36988), (4858, 26420), (5284, 24290), (6605, 19432), (6940, 18494), (9247, 13880), (9716, 13210), (10568, 12145)]