256893720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{2140781}}^1$

素因数の和:2140795

約数の個数: 32

約数和(自身を含む): 770681520

約数和(自身を除く): 513787800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 2140781, 4281562, 6422343, 8563124, 10703905, 12844686, 17126248, 21407810, 25689372, 32111715, 42815620, 51378744, 64223430, 85631240, 128446860, 256893720]

約数ペア:

[(1, 256893720), (2, 128446860), (3, 85631240), (4, 64223430), (5, 51378744), (6, 42815620), (8, 32111715), (10, 25689372), (12, 21407810), (15, 17126248), (20, 12844686), (24, 10703905), (30, 8563124), (40, 6422343), (60, 4281562), (120, 2140781)]