257885280

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:214

約数の個数: 288

約数和(自身を含む): 934053120

約数和(自身を除く): 676167840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 53, 60, 62, 72, 80, 90, 93, 96, 106, 109, 120, 124, 144, 155, 159, 160, 180, 186, 212, 218, 240, 248, 265, 279, 288, 310, 318, 327, 360, 372, 424, 436, 465, 477, 480, 496, 530, 545, 558, 620, 636, 654, 720, 744, 795, 848, 872, 930, 954, 981, 992, 1060, 1090, 1116, 1240, 1272, 1308, 1395, 1440, 1488, 1590, 1635, 1643, 1696, 1744, 1860, 1908, 1962, 2120, 2180, 2232, 2385, 2480, 2544, 2616, 2790, 2976, 3180, 3270, 3286, 3379, 3488, 3720, 3816, 3924, 4240, 4360, 4464, 4770, 4905, 4929, 4960, 5088, 5232, 5580, 5777, 6360, 6540, 6572, 6758, 7440, 7632, 7848, 8215, 8480, 8720, 8928, 9540, 9810, 9858, 10137, 10464, 11160, 11554, 12720, 13080, 13144, 13516, 14787, 14880, 15264, 15696, 16430, 16895, 17331, 17440, 19080, 19620, 19716, 20274, 22320, 23108, 24645, 25440, 26160, 26288, 27032, 28885, 29574, 30411, 31392, 32860, 33790, 34662, 38160, 39240, 39432, 40548, 44640, 46216, 49290, 50685, 51993, 52320, 52576, 54064, 57770, 59148, 60822, 65720, 67580, 69324, 73935, 76320, 78480, 78864, 81096, 86655, 92432, 98580, 101370, 103986, 108128, 115540, 118296, 121644, 131440, 135160, 138648, 147870, 152055, 156960, 157728, 162192, 173310, 179087, 184864, 197160, 202740, 207972, 231080, 236592, 243288, 259965, 262880, 270320, 277296, 295740, 304110, 324384, 346620, 358174, 394320, 405480, 415944, 462160, 473184, 486576, 519930, 537261, 540640, 554592, 591480, 608220, 693240, 716348, 788640, 810960, 831888, 895435, 924320, 973152, 1039860, 1074522, 1182960, 1216440, 1386480, 1432696, 1611783, 1621920, 1663776, 1790870, 2079720, 2149044, 2365920, 2432880, 2686305, 2772960, 2865392, 3223566, 3581740, 4159440, 4298088, 4865760, 5372610, 5730784, 6447132, 7163480, 8058915, 8318880, 8596176, 10745220, 12894264, 14326960, 16117830, 17192352, 21490440, 25788528, 28653920, 32235660, 42980880, 51577056, 64471320, 85961760, 128942640, 257885280]

約数ペア:

[(1, 257885280), (2, 128942640), (3, 85961760), (4, 64471320), (5, 51577056), (6, 42980880), (8, 32235660), (9, 28653920), (10, 25788528), (12, 21490440), (15, 17192352), (16, 16117830), (18, 14326960), (20, 12894264), (24, 10745220), (30, 8596176), (31, 8318880), (32, 8058915), (36, 7163480), (40, 6447132), (45, 5730784), (48, 5372610), (53, 4865760), (60, 4298088), (62, 4159440), (72, 3581740), (80, 3223566), (90, 2865392), (93, 2772960), (96, 2686305), (106, 2432880), (109, 2365920), (120, 2149044), (124, 2079720), (144, 1790870), (155, 1663776), (159, 1621920), (160, 1611783), (180, 1432696), (186, 1386480), (212, 1216440), (218, 1182960), (240, 1074522), (248, 1039860), (265, 973152), (279, 924320), (288, 895435), (310, 831888), (318, 810960), (327, 788640), (360, 716348), (372, 693240), (424, 608220), (436, 591480), (465, 554592), (477, 540640), (480, 537261), (496, 519930), (530, 486576), (545, 473184), (558, 462160), (620, 415944), (636, 405480), (654, 394320), (720, 358174), (744, 346620), (795, 324384), (848, 304110), (872, 295740), (930, 277296), (954, 270320), (981, 262880), (992, 259965), (1060, 243288), (1090, 236592), (1116, 231080), (1240, 207972), (1272, 202740), (1308, 197160), (1395, 184864), (1440, 179087), (1488, 173310), (1590, 162192), (1635, 157728), (1643, 156960), (1696, 152055), (1744, 147870), (1860, 138648), (1908, 135160), (1962, 131440), (2120, 121644), (2180, 118296), (2232, 115540), (2385, 108128), (2480, 103986), (2544, 101370), (2616, 98580), (2790, 92432), (2976, 86655), (3180, 81096), (3270, 78864), (3286, 78480), (3379, 76320), (3488, 73935), (3720, 69324), (3816, 67580), (3924, 65720), (4240, 60822), (4360, 59148), (4464, 57770), (4770, 54064), (4905, 52576), (4929, 52320), (4960, 51993), (5088, 50685), (5232, 49290), (5580, 46216), (5777, 44640), (6360, 40548), (6540, 39432), (6572, 39240), (6758, 38160), (7440, 34662), (7632, 33790), (7848, 32860), (8215, 31392), (8480, 30411), (8720, 29574), (8928, 28885), (9540, 27032), (9810, 26288), (9858, 26160), (10137, 25440), (10464, 24645), (11160, 23108), (11554, 22320), (12720, 20274), (13080, 19716), (13144, 19620), (13516, 19080), (14787, 17440), (14880, 17331), (15264, 16895), (15696, 16430)]