672051280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{442139}}^1$

素因数の和:442171

約数の個数: 40

約数和(自身を含む): 1644760800

約数和(自身を除く): 972709520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 442139, 884278, 1768556, 2210695, 3537112, 4421390, 7074224, 8400641, 8842780, 16801282, 17685560, 33602564, 35371120, 42003205, 67205128, 84006410, 134410256, 168012820, 336025640, 672051280]

約数ペア:

[(1, 672051280), (2, 336025640), (4, 168012820), (5, 134410256), (8, 84006410), (10, 67205128), (16, 42003205), (19, 35371120), (20, 33602564), (38, 17685560), (40, 16801282), (76, 8842780), (80, 8400641), (95, 7074224), (152, 4421390), (190, 3537112), (304, 2210695), (380, 1768556), (760, 884278), (1520, 442139)]