161752640

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{72211}}^1$

素因数の和:72235

約数の個数: 56

約数和(自身を含む): 440204352

約数和(自身を除く): 278451712

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 72211, 144422, 288844, 361055, 505477, 577688, 722110, 1010954, 1155376, 1444220, 2021908, 2310752, 2527385, 2888440, 4043816, 4621504, 5054770, 5776880, 8087632, 10109540, 11553760, 16175264, 20219080, 23107520, 32350528, 40438160, 80876320, 161752640]

約数ペア:

[(1, 161752640), (2, 80876320), (4, 40438160), (5, 32350528), (7, 23107520), (8, 20219080), (10, 16175264), (14, 11553760), (16, 10109540), (20, 8087632), (28, 5776880), (32, 5054770), (35, 4621504), (40, 4043816), (56, 2888440), (64, 2527385), (70, 2310752), (80, 2021908), (112, 1444220), (140, 1155376), (160, 1010954), (224, 722110), (280, 577688), (320, 505477), (448, 361055), (560, 288844), (1120, 144422), (2240, 72211)]