27980640

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1$

素因数の和:171

約数の個数: 240

約数和(自身を含む): 105380352

約数和(自身を除く): 77399712

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 27, 30, 32, 34, 36, 40, 45, 48, 51, 54, 60, 68, 72, 80, 81, 85, 90, 96, 102, 108, 120, 127, 135, 136, 144, 153, 160, 162, 170, 180, 204, 216, 240, 254, 255, 270, 272, 288, 306, 324, 340, 360, 381, 405, 408, 432, 459, 480, 508, 510, 540, 544, 612, 635, 648, 680, 720, 762, 765, 810, 816, 864, 918, 1016, 1020, 1080, 1143, 1224, 1270, 1296, 1360, 1377, 1440, 1524, 1530, 1620, 1632, 1836, 1905, 2032, 2040, 2159, 2160, 2286, 2295, 2448, 2540, 2592, 2720, 2754, 3048, 3060, 3240, 3429, 3672, 3810, 4064, 4080, 4318, 4320, 4572, 4590, 4896, 5080, 5508, 5715, 6096, 6120, 6477, 6480, 6858, 6885, 7344, 7620, 8160, 8636, 9144, 9180, 10160, 10287, 10795, 11016, 11430, 12192, 12240, 12954, 12960, 13716, 13770, 14688, 15240, 17145, 17272, 18288, 18360, 19431, 20320, 20574, 21590, 22032, 22860, 24480, 25908, 27432, 27540, 30480, 32385, 34290, 34544, 36576, 36720, 38862, 41148, 43180, 44064, 45720, 51435, 51816, 54864, 55080, 58293, 60960, 64770, 68580, 69088, 73440, 77724, 82296, 86360, 91440, 97155, 102870, 103632, 109728, 110160, 116586, 129540, 137160, 155448, 164592, 172720, 174879, 182880, 194310, 205740, 207264, 220320, 233172, 259080, 274320, 291465, 310896, 329184, 345440, 349758, 388620, 411480, 466344, 518160, 548640, 582930, 621792, 699516, 777240, 822960, 874395, 932688, 1036320, 1165860, 1399032, 1554480, 1645920, 1748790, 1865376, 2331720, 2798064, 3108960, 3497580, 4663440, 5596128, 6995160, 9326880, 13990320, 27980640]

約数ペア:

[(1, 27980640), (2, 13990320), (3, 9326880), (4, 6995160), (5, 5596128), (6, 4663440), (8, 3497580), (9, 3108960), (10, 2798064), (12, 2331720), (15, 1865376), (16, 1748790), (17, 1645920), (18, 1554480), (20, 1399032), (24, 1165860), (27, 1036320), (30, 932688), (32, 874395), (34, 822960), (36, 777240), (40, 699516), (45, 621792), (48, 582930), (51, 548640), (54, 518160), (60, 466344), (68, 411480), (72, 388620), (80, 349758), (81, 345440), (85, 329184), (90, 310896), (96, 291465), (102, 274320), (108, 259080), (120, 233172), (127, 220320), (135, 207264), (136, 205740), (144, 194310), (153, 182880), (160, 174879), (162, 172720), (170, 164592), (180, 155448), (204, 137160), (216, 129540), (240, 116586), (254, 110160), (255, 109728), (270, 103632), (272, 102870), (288, 97155), (306, 91440), (324, 86360), (340, 82296), (360, 77724), (381, 73440), (405, 69088), (408, 68580), (432, 64770), (459, 60960), (480, 58293), (508, 55080), (510, 54864), (540, 51816), (544, 51435), (612, 45720), (635, 44064), (648, 43180), (680, 41148), (720, 38862), (762, 36720), (765, 36576), (810, 34544), (816, 34290), (864, 32385), (918, 30480), (1016, 27540), (1020, 27432), (1080, 25908), (1143, 24480), (1224, 22860), (1270, 22032), (1296, 21590), (1360, 20574), (1377, 20320), (1440, 19431), (1524, 18360), (1530, 18288), (1620, 17272), (1632, 17145), (1836, 15240), (1905, 14688), (2032, 13770), (2040, 13716), (2159, 12960), (2160, 12954), (2286, 12240), (2295, 12192), (2448, 11430), (2540, 11016), (2592, 10795), (2720, 10287), (2754, 10160), (3048, 9180), (3060, 9144), (3240, 8636), (3429, 8160), (3672, 7620), (3810, 7344), (4064, 6885), (4080, 6858), (4318, 6480), (4320, 6477), (4572, 6120), (4590, 6096), (4896, 5715), (5080, 5508)]