168291280

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{28817}}^1$

素因数の和:28903

約数の個数: 40

約数和(自身を含む): 396650952

約数和(自身を除く): 228359672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1460, 2920, 5840, 28817, 57634, 115268, 144085, 230536, 288170, 461072, 576340, 1152680, 2103641, 2305360, 4207282, 8414564, 10518205, 16829128, 21036410, 33658256, 42072820, 84145640, 168291280]

約数ペア:

[(1, 168291280), (2, 84145640), (4, 42072820), (5, 33658256), (8, 21036410), (10, 16829128), (16, 10518205), (20, 8414564), (40, 4207282), (73, 2305360), (80, 2103641), (146, 1152680), (292, 576340), (365, 461072), (584, 288170), (730, 230536), (1168, 144085), (1460, 115268), (2920, 57634), (5840, 28817)]