128923380

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{238747}}^1$

素因数の和:238765

約数の個数: 48

約数和(自身を含む): 401096640

約数和(自身を除く): 272173260

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, 238747, 477494, 716241, 954988, 1193735, 1432482, 2148723, 2387470, 2864964, 3581205, 4297446, 4774940, 6446169, 7162410, 8594892, 10743615, 12892338, 14324820, 21487230, 25784676, 32230845, 42974460, 64461690, 128923380]

約数ペア:

[(1, 128923380), (2, 64461690), (3, 42974460), (4, 32230845), (5, 25784676), (6, 21487230), (9, 14324820), (10, 12892338), (12, 10743615), (15, 8594892), (18, 7162410), (20, 6446169), (27, 4774940), (30, 4297446), (36, 3581205), (45, 2864964), (54, 2387470), (60, 2148723), (90, 1432482), (108, 1193735), (135, 954988), (180, 716241), (270, 477494), (540, 238747)]