256594716

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{4919}}^1$

素因数の和:4965

約数の個数: 120

約数和(自身を含む): 800110080

約数和(自身を除く): 543515364

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 27, 28, 36, 42, 46, 54, 63, 69, 81, 84, 92, 108, 126, 138, 161, 162, 189, 207, 252, 276, 322, 324, 378, 414, 483, 567, 621, 644, 756, 828, 966, 1134, 1242, 1449, 1863, 1932, 2268, 2484, 2898, 3726, 4347, 4919, 5796, 7452, 8694, 9838, 13041, 14757, 17388, 19676, 26082, 29514, 34433, 44271, 52164, 59028, 68866, 88542, 103299, 113137, 132813, 137732, 177084, 206598, 226274, 265626, 309897, 339411, 398439, 413196, 452548, 531252, 619794, 678822, 791959, 796878, 929691, 1018233, 1239588, 1357644, 1583918, 1593756, 1859382, 2036466, 2375877, 2789073, 3054699, 3167836, 3718764, 4072932, 4751754, 5578146, 6109398, 7127631, 9164097, 9503508, 11156292, 12218796, 14255262, 18328194, 21382893, 28510524, 36656388, 42765786, 64148679, 85531572, 128297358, 256594716]

約数ペア:

[(1, 256594716), (2, 128297358), (3, 85531572), (4, 64148679), (6, 42765786), (7, 36656388), (9, 28510524), (12, 21382893), (14, 18328194), (18, 14255262), (21, 12218796), (23, 11156292), (27, 9503508), (28, 9164097), (36, 7127631), (42, 6109398), (46, 5578146), (54, 4751754), (63, 4072932), (69, 3718764), (81, 3167836), (84, 3054699), (92, 2789073), (108, 2375877), (126, 2036466), (138, 1859382), (161, 1593756), (162, 1583918), (189, 1357644), (207, 1239588), (252, 1018233), (276, 929691), (322, 796878), (324, 791959), (378, 678822), (414, 619794), (483, 531252), (567, 452548), (621, 413196), (644, 398439), (756, 339411), (828, 309897), (966, 265626), (1134, 226274), (1242, 206598), (1449, 177084), (1863, 137732), (1932, 132813), (2268, 113137), (2484, 103299), (2898, 88542), (3726, 68866), (4347, 59028), (4919, 52164), (5796, 44271), (7452, 34433), (8694, 29514), (9838, 26082), (13041, 19676), (14757, 17388)]