256426680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{2136889}}^1$

素因数の和:2136903

約数の個数: 32

約数和(自身を含む): 769280400

約数和(自身を除く): 512853720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 2136889, 4273778, 6410667, 8547556, 10684445, 12821334, 17095112, 21368890, 25642668, 32053335, 42737780, 51285336, 64106670, 85475560, 128213340, 256426680]

約数ペア:

[(1, 256426680), (2, 128213340), (3, 85475560), (4, 64106670), (5, 51285336), (6, 42737780), (8, 32053335), (10, 25642668), (12, 21368890), (15, 17095112), (20, 12821334), (24, 10684445), (30, 8547556), (40, 6410667), (60, 4273778), (120, 2136889)]