307520

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^2$

素因数の和:79

約数の個数: 42

約数和(自身を含む): 756666

約数和(自身を除く): 449146

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 961, 992, 1240, 1922, 1984, 2480, 3844, 4805, 4960, 7688, 9610, 9920, 15376, 19220, 30752, 38440, 61504, 76880, 153760, 307520]

約数ペア:

[(1, 307520), (2, 153760), (4, 76880), (5, 61504), (8, 38440), (10, 30752), (16, 19220), (20, 15376), (31, 9920), (32, 9610), (40, 7688), (62, 4960), (64, 4805), (80, 3844), (124, 2480), (155, 1984), (160, 1922), (248, 1240), (310, 992), (320, 961), (496, 620)]