256408080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1068367}}^1$

素因数の和:1068383

約数の個数: 40

約数和(自身を含む): 794865792

約数和(自身を除く): 538457712

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1068367, 2136734, 3205101, 4273468, 5341835, 6410202, 8546936, 10683670, 12820404, 16025505, 17093872, 21367340, 25640808, 32051010, 42734680, 51281616, 64102020, 85469360, 128204040, 256408080]

約数ペア:

[(1, 256408080), (2, 128204040), (3, 85469360), (4, 64102020), (5, 51281616), (6, 42734680), (8, 32051010), (10, 25640808), (12, 21367340), (15, 17093872), (16, 16025505), (20, 12820404), (24, 10683670), (30, 8546936), (40, 6410202), (48, 5341835), (60, 4273468), (80, 3205101), (120, 2136734), (240, 1068367)]