256358880

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{3359}}^1$

素因数の和:3433

約数の個数: 144

約数和(自身を含む): 891596160

約数和(自身を除く): 635237280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 53, 60, 72, 80, 90, 96, 106, 120, 144, 159, 160, 180, 212, 240, 265, 288, 318, 360, 424, 477, 480, 530, 636, 720, 795, 848, 954, 1060, 1272, 1440, 1590, 1696, 1908, 2120, 2385, 2544, 3180, 3359, 3816, 4240, 4770, 5088, 6360, 6718, 7632, 8480, 9540, 10077, 12720, 13436, 15264, 16795, 19080, 20154, 25440, 26872, 30231, 33590, 38160, 40308, 50385, 53744, 60462, 67180, 76320, 80616, 100770, 107488, 120924, 134360, 151155, 161232, 178027, 201540, 241848, 268720, 302310, 322464, 356054, 403080, 483696, 534081, 537440, 604620, 712108, 806160, 890135, 967392, 1068162, 1209240, 1424216, 1602243, 1612320, 1780270, 2136324, 2418480, 2670405, 2848432, 3204486, 3560540, 4272648, 4836960, 5340810, 5696864, 6408972, 7121080, 8011215, 8545296, 10681620, 12817944, 14242160, 16022430, 17090592, 21363240, 25635888, 28484320, 32044860, 42726480, 51271776, 64089720, 85452960, 128179440, 256358880]

約数ペア:

[(1, 256358880), (2, 128179440), (3, 85452960), (4, 64089720), (5, 51271776), (6, 42726480), (8, 32044860), (9, 28484320), (10, 25635888), (12, 21363240), (15, 17090592), (16, 16022430), (18, 14242160), (20, 12817944), (24, 10681620), (30, 8545296), (32, 8011215), (36, 7121080), (40, 6408972), (45, 5696864), (48, 5340810), (53, 4836960), (60, 4272648), (72, 3560540), (80, 3204486), (90, 2848432), (96, 2670405), (106, 2418480), (120, 2136324), (144, 1780270), (159, 1612320), (160, 1602243), (180, 1424216), (212, 1209240), (240, 1068162), (265, 967392), (288, 890135), (318, 806160), (360, 712108), (424, 604620), (477, 537440), (480, 534081), (530, 483696), (636, 403080), (720, 356054), (795, 322464), (848, 302310), (954, 268720), (1060, 241848), (1272, 201540), (1440, 178027), (1590, 161232), (1696, 151155), (1908, 134360), (2120, 120924), (2385, 107488), (2544, 100770), (3180, 80616), (3359, 76320), (3816, 67180), (4240, 60462), (4770, 53744), (5088, 50385), (6360, 40308), (6718, 38160), (7632, 33590), (8480, 30231), (9540, 26872), (10077, 25440), (12720, 20154), (13436, 19080), (15264, 16795)]