256754520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2819}}^1$

素因数の和:2870

約数の個数: 192

約数和(自身を含む): 950227200

約数和(自身を除く): 693472680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 23, 24, 30, 33, 36, 40, 44, 45, 46, 55, 60, 66, 69, 72, 88, 90, 92, 99, 110, 115, 120, 132, 138, 165, 180, 184, 198, 207, 220, 230, 253, 264, 276, 330, 345, 360, 396, 414, 440, 460, 495, 506, 552, 660, 690, 759, 792, 828, 920, 990, 1012, 1035, 1265, 1320, 1380, 1518, 1656, 1980, 2024, 2070, 2277, 2530, 2760, 2819, 3036, 3795, 3960, 4140, 4554, 5060, 5638, 6072, 7590, 8280, 8457, 9108, 10120, 11276, 11385, 14095, 15180, 16914, 18216, 22552, 22770, 25371, 28190, 30360, 31009, 33828, 42285, 45540, 50742, 56380, 62018, 64837, 67656, 84570, 91080, 93027, 101484, 112760, 124036, 126855, 129674, 155045, 169140, 186054, 194511, 202968, 248072, 253710, 259348, 279081, 310090, 324185, 338280, 372108, 389022, 465135, 507420, 518696, 558162, 583533, 620180, 648370, 713207, 744216, 778044, 930270, 972555, 1014840, 1116324, 1167066, 1240360, 1296740, 1395405, 1426414, 1556088, 1860540, 1945110, 2139621, 2232648, 2334132, 2593480, 2790810, 2852828, 2917665, 3566035, 3721080, 3890220, 4279242, 4668264, 5581620, 5705656, 5835330, 6418863, 7132070, 7780440, 8558484, 10698105, 11163240, 11670660, 12837726, 14264140, 17116968, 21396210, 23341320, 25675452, 28528280, 32094315, 42792420, 51350904, 64188630, 85584840, 128377260, 256754520]

約数ペア:

[(1, 256754520), (2, 128377260), (3, 85584840), (4, 64188630), (5, 51350904), (6, 42792420), (8, 32094315), (9, 28528280), (10, 25675452), (11, 23341320), (12, 21396210), (15, 17116968), (18, 14264140), (20, 12837726), (22, 11670660), (23, 11163240), (24, 10698105), (30, 8558484), (33, 7780440), (36, 7132070), (40, 6418863), (44, 5835330), (45, 5705656), (46, 5581620), (55, 4668264), (60, 4279242), (66, 3890220), (69, 3721080), (72, 3566035), (88, 2917665), (90, 2852828), (92, 2790810), (99, 2593480), (110, 2334132), (115, 2232648), (120, 2139621), (132, 1945110), (138, 1860540), (165, 1556088), (180, 1426414), (184, 1395405), (198, 1296740), (207, 1240360), (220, 1167066), (230, 1116324), (253, 1014840), (264, 972555), (276, 930270), (330, 778044), (345, 744216), (360, 713207), (396, 648370), (414, 620180), (440, 583533), (460, 558162), (495, 518696), (506, 507420), (552, 465135), (660, 389022), (690, 372108), (759, 338280), (792, 324185), (828, 310090), (920, 279081), (990, 259348), (1012, 253710), (1035, 248072), (1265, 202968), (1320, 194511), (1380, 186054), (1518, 169140), (1656, 155045), (1980, 129674), (2024, 126855), (2070, 124036), (2277, 112760), (2530, 101484), (2760, 93027), (2819, 91080), (3036, 84570), (3795, 67656), (3960, 64837), (4140, 62018), (4554, 56380), (5060, 50742), (5638, 45540), (6072, 42285), (7590, 33828), (8280, 31009), (8457, 30360), (9108, 28190), (10120, 25371), (11276, 22770), (11385, 22552), (14095, 18216), (15180, 16914)]