256548960

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1093}}^1$

素因数の和:1277

約数の個数: 144

約数和(自身を含む): 881650224

約数和(自身を除く): 625101264

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 163, 180, 240, 288, 326, 360, 480, 489, 652, 720, 815, 978, 1093, 1304, 1440, 1467, 1630, 1956, 2186, 2445, 2608, 2934, 3260, 3279, 3912, 4372, 4890, 5216, 5465, 5868, 6520, 6558, 7335, 7824, 8744, 9780, 9837, 10930, 11736, 13040, 13116, 14670, 15648, 16395, 17488, 19560, 19674, 21860, 23472, 26080, 26232, 29340, 32790, 34976, 39120, 39348, 43720, 46944, 49185, 52464, 58680, 65580, 78240, 78696, 87440, 98370, 104928, 117360, 131160, 157392, 174880, 178159, 196740, 234720, 262320, 314784, 356318, 393480, 524640, 534477, 712636, 786960, 890795, 1068954, 1425272, 1573920, 1603431, 1781590, 2137908, 2672385, 2850544, 3206862, 3563180, 4275816, 5344770, 5701088, 6413724, 7126360, 8017155, 8551632, 10689540, 12827448, 14252720, 16034310, 17103264, 21379080, 25654896, 28505440, 32068620, 42758160, 51309792, 64137240, 85516320, 128274480, 256548960]

約数ペア:

[(1, 256548960), (2, 128274480), (3, 85516320), (4, 64137240), (5, 51309792), (6, 42758160), (8, 32068620), (9, 28505440), (10, 25654896), (12, 21379080), (15, 17103264), (16, 16034310), (18, 14252720), (20, 12827448), (24, 10689540), (30, 8551632), (32, 8017155), (36, 7126360), (40, 6413724), (45, 5701088), (48, 5344770), (60, 4275816), (72, 3563180), (80, 3206862), (90, 2850544), (96, 2672385), (120, 2137908), (144, 1781590), (160, 1603431), (163, 1573920), (180, 1425272), (240, 1068954), (288, 890795), (326, 786960), (360, 712636), (480, 534477), (489, 524640), (652, 393480), (720, 356318), (815, 314784), (978, 262320), (1093, 234720), (1304, 196740), (1440, 178159), (1467, 174880), (1630, 157392), (1956, 131160), (2186, 117360), (2445, 104928), (2608, 98370), (2934, 87440), (3260, 78696), (3279, 78240), (3912, 65580), (4372, 58680), (4890, 52464), (5216, 49185), (5465, 46944), (5868, 43720), (6520, 39348), (6558, 39120), (7335, 34976), (7824, 32790), (8744, 29340), (9780, 26232), (9837, 26080), (10930, 23472), (11736, 21860), (13040, 19674), (13116, 19560), (14670, 17488), (15648, 16395)]