21022244640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{37529}}^1$

素因数の和:37939

約数の個数: 144

約数和(自身を含む): 71924743800

約数和(自身を除く): 50902499160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 389, 480, 720, 778, 1167, 1440, 1556, 1945, 2334, 3112, 3501, 3890, 4668, 5835, 6224, 7002, 7780, 9336, 11670, 12448, 14004, 15560, 17505, 18672, 23340, 28008, 31120, 35010, 37344, 37529, 46680, 56016, 62240, 70020, 75058, 93360, 112032, 112587, 140040, 150116, 186720, 187645, 225174, 280080, 300232, 337761, 375290, 450348, 560160, 562935, 600464, 675522, 750580, 900696, 1125870, 1200928, 1351044, 1501160, 1688805, 1801392, 2251740, 2702088, 3002320, 3377610, 3602784, 4503480, 5404176, 6004640, 6755220, 9006960, 10808352, 13510440, 14598781, 18013920, 27020880, 29197562, 43796343, 54041760, 58395124, 72993905, 87592686, 116790248, 131389029, 145987810, 175185372, 218981715, 233580496, 262778058, 291975620, 350370744, 437963430, 467160992, 525556116, 583951240, 656945145, 700741488, 875926860, 1051112232, 1167902480, 1313890290, 1401482976, 1751853720, 2102224464, 2335804960, 2627780580, 3503707440, 4204448928, 5255561160, 7007414880, 10511122320, 21022244640]

約数ペア:

[(1, 21022244640), (2, 10511122320), (3, 7007414880), (4, 5255561160), (5, 4204448928), (6, 3503707440), (8, 2627780580), (9, 2335804960), (10, 2102224464), (12, 1751853720), (15, 1401482976), (16, 1313890290), (18, 1167902480), (20, 1051112232), (24, 875926860), (30, 700741488), (32, 656945145), (36, 583951240), (40, 525556116), (45, 467160992), (48, 437963430), (60, 350370744), (72, 291975620), (80, 262778058), (90, 233580496), (96, 218981715), (120, 175185372), (144, 145987810), (160, 131389029), (180, 116790248), (240, 87592686), (288, 72993905), (360, 58395124), (389, 54041760), (480, 43796343), (720, 29197562), (778, 27020880), (1167, 18013920), (1440, 14598781), (1556, 13510440), (1945, 10808352), (2334, 9006960), (3112, 6755220), (3501, 6004640), (3890, 5404176), (4668, 4503480), (5835, 3602784), (6224, 3377610), (7002, 3002320), (7780, 2702088), (9336, 2251740), (11670, 1801392), (12448, 1688805), (14004, 1501160), (15560, 1351044), (17505, 1200928), (18672, 1125870), (23340, 900696), (28008, 750580), (31120, 675522), (35010, 600464), (37344, 562935), (37529, 560160), (46680, 450348), (56016, 375290), (62240, 337761), (70020, 300232), (75058, 280080), (93360, 225174), (112032, 187645), (112587, 186720), (140040, 150116)]