388637460

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{719699}}^1$

素因数の和:719717

約数の個数: 48

約数和(自身を含む): 1209096000

約数和(自身を除く): 820458540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 719699, 1439398, 2159097, 2878796, 3598495, 4318194, 6477291, 7196990, 8636388, 10795485, 12954582, 14393980, 19431873, 21590970, 25909164, 32386455, 38863746, 43181940, 64772910, 77727492, 97159365, 129545820, 194318730, 388637460]

約数ペア:

[(1, 388637460), (2, 194318730), (3, 129545820), (4, 97159365), (5, 77727492), (6, 64772910), (9, 43181940), (10, 38863746), (12, 32386455), (15, 25909164), (18, 21590970), (20, 19431873), (27, 14393980), (30, 12954582), (36, 10795485), (45, 8636388), (54, 7196990), (60, 6477291), (90, 4318194), (108, 3598495), (135, 2878796), (180, 2159097), (270, 1439398), (540, 719699)]