257923680

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2647}}^1$

素因数の和:2701

約数の個数: 192

約数和(自身を含む): 960906240

約数和(自身を除く): 702982560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 29, 30, 32, 35, 40, 42, 48, 56, 58, 60, 70, 80, 84, 87, 96, 105, 112, 116, 120, 140, 145, 160, 168, 174, 203, 210, 224, 232, 240, 280, 290, 336, 348, 406, 420, 435, 464, 480, 560, 580, 609, 672, 696, 812, 840, 870, 928, 1015, 1120, 1160, 1218, 1392, 1624, 1680, 1740, 2030, 2320, 2436, 2647, 2784, 3045, 3248, 3360, 3480, 4060, 4640, 4872, 5294, 6090, 6496, 6960, 7941, 8120, 9744, 10588, 12180, 13235, 13920, 15882, 16240, 18529, 19488, 21176, 24360, 26470, 31764, 32480, 37058, 39705, 42352, 48720, 52940, 55587, 63528, 74116, 76763, 79410, 84704, 92645, 97440, 105880, 111174, 127056, 148232, 153526, 158820, 185290, 211760, 222348, 230289, 254112, 277935, 296464, 307052, 317640, 370580, 383815, 423520, 444696, 460578, 537341, 555870, 592928, 614104, 635280, 741160, 767630, 889392, 921156, 1074682, 1111740, 1151445, 1228208, 1270560, 1482320, 1535260, 1612023, 1778784, 1842312, 2149364, 2223480, 2302890, 2456416, 2686705, 2964640, 3070520, 3224046, 3684624, 4298728, 4446960, 4605780, 5373410, 6141040, 6448092, 7369248, 8060115, 8597456, 8893920, 9211560, 10746820, 12282080, 12896184, 16120230, 17194912, 18423120, 21493640, 25792368, 32240460, 36846240, 42987280, 51584736, 64480920, 85974560, 128961840, 257923680]

約数ペア:

[(1, 257923680), (2, 128961840), (3, 85974560), (4, 64480920), (5, 51584736), (6, 42987280), (7, 36846240), (8, 32240460), (10, 25792368), (12, 21493640), (14, 18423120), (15, 17194912), (16, 16120230), (20, 12896184), (21, 12282080), (24, 10746820), (28, 9211560), (29, 8893920), (30, 8597456), (32, 8060115), (35, 7369248), (40, 6448092), (42, 6141040), (48, 5373410), (56, 4605780), (58, 4446960), (60, 4298728), (70, 3684624), (80, 3224046), (84, 3070520), (87, 2964640), (96, 2686705), (105, 2456416), (112, 2302890), (116, 2223480), (120, 2149364), (140, 1842312), (145, 1778784), (160, 1612023), (168, 1535260), (174, 1482320), (203, 1270560), (210, 1228208), (224, 1151445), (232, 1111740), (240, 1074682), (280, 921156), (290, 889392), (336, 767630), (348, 741160), (406, 635280), (420, 614104), (435, 592928), (464, 555870), (480, 537341), (560, 460578), (580, 444696), (609, 423520), (672, 383815), (696, 370580), (812, 317640), (840, 307052), (870, 296464), (928, 277935), (1015, 254112), (1120, 230289), (1160, 222348), (1218, 211760), (1392, 185290), (1624, 158820), (1680, 153526), (1740, 148232), (2030, 127056), (2320, 111174), (2436, 105880), (2647, 97440), (2784, 92645), (3045, 84704), (3248, 79410), (3360, 76763), (3480, 74116), (4060, 63528), (4640, 55587), (4872, 52940), (5294, 48720), (6090, 42352), (6496, 39705), (6960, 37058), (7941, 32480), (8120, 31764), (9744, 26470), (10588, 24360), (12180, 21176), (13235, 19488), (13920, 18529), (15882, 16240)]