71779120

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{18311}}^1$

素因数の和:18338

約数の個数: 60

約数和(自身を含む): 194143824

約数和(自身を除く): 122364704

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 18311, 36622, 73244, 91555, 128177, 146488, 183110, 256354, 292976, 366220, 512708, 640885, 732440, 897239, 1025416, 1281770, 1464880, 1794478, 2050832, 2563540, 3588956, 4486195, 5127080, 7177912, 8972390, 10254160, 14355824, 17944780, 35889560, 71779120]

約数ペア:

[(1, 71779120), (2, 35889560), (4, 17944780), (5, 14355824), (7, 10254160), (8, 8972390), (10, 7177912), (14, 5127080), (16, 4486195), (20, 3588956), (28, 2563540), (35, 2050832), (40, 1794478), (49, 1464880), (56, 1281770), (70, 1025416), (80, 897239), (98, 732440), (112, 640885), (140, 512708), (196, 366220), (245, 292976), (280, 256354), (392, 183110), (490, 146488), (560, 128177), (784, 91555), (980, 73244), (1960, 36622), (3920, 18311)]