68951680

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{15391}}^1$

素因数の和:15417

約数の個数: 64

約数和(自身を含む): 188398080

約数和(自身を除く): 119446400

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, 15391, 30782, 61564, 76955, 107737, 123128, 153910, 215474, 246256, 307820, 430948, 492512, 538685, 615640, 861896, 985024, 1077370, 1231280, 1723792, 1970048, 2154740, 2462560, 3447584, 4309480, 4925120, 6895168, 8618960, 9850240, 13790336, 17237920, 34475840, 68951680]

約数ペア:

[(1, 68951680), (2, 34475840), (4, 17237920), (5, 13790336), (7, 9850240), (8, 8618960), (10, 6895168), (14, 4925120), (16, 4309480), (20, 3447584), (28, 2462560), (32, 2154740), (35, 1970048), (40, 1723792), (56, 1231280), (64, 1077370), (70, 985024), (80, 861896), (112, 615640), (128, 538685), (140, 492512), (160, 430948), (224, 307820), (280, 246256), (320, 215474), (448, 153910), (560, 123128), (640, 107737), (896, 76955), (1120, 61564), (2240, 30782), (4480, 15391)]