256018680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{711163}}^1$

素因数の和:711180

約数の個数: 48

約数和(自身を含む): 832061880

約数和(自身を除く): 576043200

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, 711163, 1422326, 2133489, 2844652, 3555815, 4266978, 5689304, 6400467, 7111630, 8533956, 10667445, 12800934, 14223260, 17067912, 21334890, 25601868, 28446520, 32002335, 42669780, 51203736, 64004670, 85339560, 128009340, 256018680]

約数ペア:

[(1, 256018680), (2, 128009340), (3, 85339560), (4, 64004670), (5, 51203736), (6, 42669780), (8, 32002335), (9, 28446520), (10, 25601868), (12, 21334890), (15, 17067912), (18, 14223260), (20, 12800934), (24, 10667445), (30, 8533956), (36, 7111630), (40, 6400467), (45, 5689304), (60, 4266978), (72, 3555815), (90, 2844652), (120, 2133489), (180, 1422326), (360, 711163)]