15406680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{128389}}^1$

素因数の和:128403

約数の個数: 32

約数和(自身を含む): 46220400

約数和(自身を除く): 30813720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 128389, 256778, 385167, 513556, 641945, 770334, 1027112, 1283890, 1540668, 1925835, 2567780, 3081336, 3851670, 5135560, 7703340, 15406680]

約数ペア:

[(1, 15406680), (2, 7703340), (3, 5135560), (4, 3851670), (5, 3081336), (6, 2567780), (8, 1925835), (10, 1540668), (12, 1283890), (15, 1027112), (20, 770334), (24, 641945), (30, 513556), (40, 385167), (60, 256778), (120, 128389)]