156989720

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{170641}}^1$

素因数の和:170675

約数の個数: 32

約数和(自身を含む): 368586720

約数和(自身を除く): 211597000

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 170641, 341282, 682564, 853205, 1365128, 1706410, 3412820, 3924743, 6825640, 7849486, 15698972, 19623715, 31397944, 39247430, 78494860, 156989720]

約数ペア:

[(1, 156989720), (2, 78494860), (4, 39247430), (5, 31397944), (8, 19623715), (10, 15698972), (20, 7849486), (23, 6825640), (40, 3924743), (46, 3412820), (92, 1706410), (115, 1365128), (184, 853205), (230, 682564), (460, 341282), (920, 170641)]