256874160

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1070309}}^1$

素因数の和:1070325

約数の個数: 40

約数和(自身を含む): 796310640

約数和(自身を除く): 539436480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1070309, 2140618, 3210927, 4281236, 5351545, 6421854, 8562472, 10703090, 12843708, 16054635, 17124944, 21406180, 25687416, 32109270, 42812360, 51374832, 64218540, 85624720, 128437080, 256874160]

約数ペア:

[(1, 256874160), (2, 128437080), (3, 85624720), (4, 64218540), (5, 51374832), (6, 42812360), (8, 32109270), (10, 25687416), (12, 21406180), (15, 17124944), (16, 16054635), (20, 12843708), (24, 10703090), (30, 8562472), (40, 6421854), (48, 5351545), (60, 4281236), (80, 3210927), (120, 2140618), (240, 1070309)]