78826680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{218963}}^1$

素因数の和:218980

約数の個数: 48

約数和(自身を含む): 256187880

約数和(自身を除く): 177361200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 218963, 437926, 656889, 875852, 1094815, 1313778, 1751704, 1970667, 2189630, 2627556, 3284445, 3941334, 4379260, 5255112, 6568890, 7882668, 8758520, 9853335, 13137780, 15765336, 19706670, 26275560, 39413340, 78826680]

約数ペア:

[(1, 78826680), (2, 39413340), (3, 26275560), (4, 19706670), (5, 15765336), (6, 13137780), (8, 9853335), (9, 8758520), (10, 7882668), (12, 6568890), (15, 5255112), (18, 4379260), (20, 3941334), (24, 3284445), (30, 2627556), (36, 2189630), (40, 1970667), (45, 1751704), (60, 1313778), (72, 1094815), (90, 875852), (120, 656889), (180, 437926), (360, 218963)]