259485480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{720793}}^1$

素因数の和:720810

約数の個数: 48

約数和(自身を含む): 843328980

約数和(自身を除く): 583843500

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 720793, 1441586, 2162379, 2883172, 3603965, 4324758, 5766344, 6487137, 7207930, 8649516, 10811895, 12974274, 14415860, 17299032, 21623790, 25948548, 28831720, 32435685, 43247580, 51897096, 64871370, 86495160, 129742740, 259485480]

約数ペア:

[(1, 259485480), (2, 129742740), (3, 86495160), (4, 64871370), (5, 51897096), (6, 43247580), (8, 32435685), (9, 28831720), (10, 25948548), (12, 21623790), (15, 17299032), (18, 14415860), (20, 12974274), (24, 10811895), (30, 8649516), (36, 7207930), (40, 6487137), (45, 5766344), (60, 4324758), (72, 3603965), (90, 2883172), (120, 2162379), (180, 1441586), (360, 720793)]