80151680

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{17891}}^1$

素因数の和:17917

約数の個数: 64

約数和(自身を含む): 218998080

約数和(自身を除く): 138846400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 17891, 35782, 71564, 89455, 125237, 143128, 178910, 250474, 286256, 357820, 500948, 572512, 626185, 715640, 1001896, 1145024, 1252370, 1431280, 2003792, 2290048, 2504740, 2862560, 4007584, 5009480, 5725120, 8015168, 10018960, 11450240, 16030336, 20037920, 40075840, 80151680]

約数ペア:

[(1, 80151680), (2, 40075840), (4, 20037920), (5, 16030336), (7, 11450240), (8, 10018960), (10, 8015168), (14, 5725120), (16, 5009480), (20, 4007584), (28, 2862560), (32, 2504740), (35, 2290048), (40, 2003792), (56, 1431280), (64, 1252370), (70, 1145024), (80, 1001896), (112, 715640), (128, 626185), (140, 572512), (160, 500948), (224, 357820), (280, 286256), (320, 250474), (448, 178910), (560, 143128), (640, 125237), (896, 89455), (1120, 71564), (2240, 35782), (4480, 17891)]