155294560

素因数分解:

$2^5\times 5^1\times {\mathrm{487}}^1\times {\mathrm{1993}}^1$

素因数の和:2495

約数の個数: 48

約数和(自身を含む): 367821216

約数和(自身を除く): 212526656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 487, 974, 1948, 1993, 2435, 3896, 3986, 4870, 7792, 7972, 9740, 9965, 15584, 15944, 19480, 19930, 31888, 38960, 39860, 63776, 77920, 79720, 159440, 318880, 970591, 1941182, 3882364, 4852955, 7764728, 9705910, 15529456, 19411820, 31058912, 38823640, 77647280, 155294560]

約数ペア:

[(1, 155294560), (2, 77647280), (4, 38823640), (5, 31058912), (8, 19411820), (10, 15529456), (16, 9705910), (20, 7764728), (32, 4852955), (40, 3882364), (80, 1941182), (160, 970591), (487, 318880), (974, 159440), (1948, 79720), (1993, 77920), (2435, 63776), (3896, 39860), (3986, 38960), (4870, 31888), (7792, 19930), (7972, 19480), (9740, 15944), (9965, 15584)]