257266440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{331}}^1$

素因数の和:492

約数の個数: 192

約数和(自身を含む): 894965760

約数和(自身を除く): 637699320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 45, 51, 60, 68, 72, 85, 90, 102, 120, 127, 136, 153, 170, 180, 204, 254, 255, 306, 331, 340, 360, 381, 408, 508, 510, 612, 635, 662, 680, 762, 765, 993, 1016, 1020, 1143, 1224, 1270, 1324, 1524, 1530, 1655, 1905, 1986, 2040, 2159, 2286, 2540, 2648, 2979, 3048, 3060, 3310, 3810, 3972, 4318, 4572, 4965, 5080, 5627, 5715, 5958, 6120, 6477, 6620, 7620, 7944, 8636, 9144, 9930, 10795, 11254, 11430, 11916, 12954, 13240, 14895, 15240, 16881, 17272, 19431, 19860, 21590, 22508, 22860, 23832, 25908, 28135, 29790, 32385, 33762, 38862, 39720, 42037, 43180, 45016, 45720, 50643, 51816, 56270, 59580, 64770, 67524, 77724, 84074, 84405, 86360, 97155, 101286, 112540, 119160, 126111, 129540, 135048, 155448, 168148, 168810, 194310, 202572, 210185, 225080, 252222, 253215, 259080, 336296, 337620, 378333, 388620, 405144, 420370, 504444, 506430, 630555, 675240, 714629, 756666, 777240, 840740, 1008888, 1012860, 1261110, 1429258, 1513332, 1681480, 1891665, 2025720, 2143887, 2522220, 2858516, 3026664, 3573145, 3783330, 4287774, 5044440, 5717032, 6431661, 7146290, 7566660, 8575548, 10719435, 12863322, 14292580, 15133320, 17151096, 21438870, 25726644, 28585160, 32158305, 42877740, 51453288, 64316610, 85755480, 128633220, 257266440]

約数ペア:

[(1, 257266440), (2, 128633220), (3, 85755480), (4, 64316610), (5, 51453288), (6, 42877740), (8, 32158305), (9, 28585160), (10, 25726644), (12, 21438870), (15, 17151096), (17, 15133320), (18, 14292580), (20, 12863322), (24, 10719435), (30, 8575548), (34, 7566660), (36, 7146290), (40, 6431661), (45, 5717032), (51, 5044440), (60, 4287774), (68, 3783330), (72, 3573145), (85, 3026664), (90, 2858516), (102, 2522220), (120, 2143887), (127, 2025720), (136, 1891665), (153, 1681480), (170, 1513332), (180, 1429258), (204, 1261110), (254, 1012860), (255, 1008888), (306, 840740), (331, 777240), (340, 756666), (360, 714629), (381, 675240), (408, 630555), (508, 506430), (510, 504444), (612, 420370), (635, 405144), (662, 388620), (680, 378333), (762, 337620), (765, 336296), (993, 259080), (1016, 253215), (1020, 252222), (1143, 225080), (1224, 210185), (1270, 202572), (1324, 194310), (1524, 168810), (1530, 168148), (1655, 155448), (1905, 135048), (1986, 129540), (2040, 126111), (2159, 119160), (2286, 112540), (2540, 101286), (2648, 97155), (2979, 86360), (3048, 84405), (3060, 84074), (3310, 77724), (3810, 67524), (3972, 64770), (4318, 59580), (4572, 56270), (4965, 51816), (5080, 50643), (5627, 45720), (5715, 45016), (5958, 43180), (6120, 42037), (6477, 39720), (6620, 38862), (7620, 33762), (7944, 32385), (8636, 29790), (9144, 28135), (9930, 25908), (10795, 23832), (11254, 22860), (11430, 22508), (11916, 21590), (12954, 19860), (13240, 19431), (14895, 17272), (15240, 16881)]