66711680

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{14891}}^1$

素因数の和:14917

約数の個数: 64

約数和(自身を含む): 182278080

約数和(自身を除く): 115566400

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, 14891, 29782, 59564, 74455, 104237, 119128, 148910, 208474, 238256, 297820, 416948, 476512, 521185, 595640, 833896, 953024, 1042370, 1191280, 1667792, 1906048, 2084740, 2382560, 3335584, 4169480, 4765120, 6671168, 8338960, 9530240, 13342336, 16677920, 33355840, 66711680]

約数ペア:

[(1, 66711680), (2, 33355840), (4, 16677920), (5, 13342336), (7, 9530240), (8, 8338960), (10, 6671168), (14, 4765120), (16, 4169480), (20, 3335584), (28, 2382560), (32, 2084740), (35, 1906048), (40, 1667792), (56, 1191280), (64, 1042370), (70, 953024), (80, 833896), (112, 595640), (128, 521185), (140, 476512), (160, 416948), (224, 297820), (280, 238256), (320, 208474), (448, 148910), (560, 119128), (640, 104237), (896, 74455), (1120, 59564), (2240, 29782), (4480, 14891)]