64497860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{2663}}^1$

素因数の和:2852

約数の個数: 48

約数和(自身を含む): 155748096

約数和(自身を除く): 91250236

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 173, 346, 692, 865, 1211, 1730, 2422, 2663, 3460, 4844, 5326, 6055, 10652, 12110, 13315, 18641, 24220, 26630, 37282, 53260, 74564, 93205, 186410, 372820, 460699, 921398, 1842796, 2303495, 3224893, 4606990, 6449786, 9213980, 12899572, 16124465, 32248930, 64497860]

約数ペア:

[(1, 64497860), (2, 32248930), (4, 16124465), (5, 12899572), (7, 9213980), (10, 6449786), (14, 4606990), (20, 3224893), (28, 2303495), (35, 1842796), (70, 921398), (140, 460699), (173, 372820), (346, 186410), (692, 93205), (865, 74564), (1211, 53260), (1730, 37282), (2422, 26630), (2663, 24220), (3460, 18641), (4844, 13315), (5326, 12110), (6055, 10652)]