320591520

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{853}}^1$

素因数の和:909

約数の個数: 240

約数和(自身を含む): 1171807560

約数和(自身を除く): 851216040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 29, 30, 32, 36, 40, 45, 48, 54, 58, 60, 72, 80, 81, 87, 90, 96, 108, 116, 120, 135, 144, 145, 160, 162, 174, 180, 216, 232, 240, 261, 270, 288, 290, 324, 348, 360, 405, 432, 435, 464, 480, 522, 540, 580, 648, 696, 720, 783, 810, 853, 864, 870, 928, 1044, 1080, 1160, 1296, 1305, 1392, 1440, 1566, 1620, 1706, 1740, 2088, 2160, 2320, 2349, 2559, 2592, 2610, 2784, 3132, 3240, 3412, 3480, 3915, 4176, 4265, 4320, 4640, 4698, 5118, 5220, 6264, 6480, 6824, 6960, 7677, 7830, 8352, 8530, 9396, 10236, 10440, 11745, 12528, 12795, 12960, 13648, 13920, 15354, 15660, 17060, 18792, 20472, 20880, 23031, 23490, 24737, 25056, 25590, 27296, 30708, 31320, 34120, 37584, 38385, 40944, 41760, 46062, 46980, 49474, 51180, 61416, 62640, 68240, 69093, 74211, 75168, 76770, 81888, 92124, 93960, 98948, 102360, 115155, 122832, 123685, 125280, 136480, 138186, 148422, 153540, 184248, 187920, 197896, 204720, 222633, 230310, 245664, 247370, 276372, 296844, 307080, 345465, 368496, 371055, 375840, 395792, 409440, 445266, 460620, 494740, 552744, 593688, 614160, 667899, 690930, 736992, 742110, 791584, 890532, 921240, 989480, 1105488, 1113165, 1187376, 1228320, 1335798, 1381860, 1484220, 1781064, 1842480, 1978960, 2003697, 2210976, 2226330, 2374752, 2671596, 2763720, 2968440, 3339495, 3562128, 3684960, 3957920, 4007394, 4452660, 5343192, 5527440, 5936880, 6678990, 7124256, 8014788, 8905320, 10018485, 10686384, 11054880, 11873760, 13357980, 16029576, 17810640, 20036970, 21372768, 26715960, 32059152, 35621280, 40073940, 53431920, 64118304, 80147880, 106863840, 160295760, 320591520]

約数ペア:

[(1, 320591520), (2, 160295760), (3, 106863840), (4, 80147880), (5, 64118304), (6, 53431920), (8, 40073940), (9, 35621280), (10, 32059152), (12, 26715960), (15, 21372768), (16, 20036970), (18, 17810640), (20, 16029576), (24, 13357980), (27, 11873760), (29, 11054880), (30, 10686384), (32, 10018485), (36, 8905320), (40, 8014788), (45, 7124256), (48, 6678990), (54, 5936880), (58, 5527440), (60, 5343192), (72, 4452660), (80, 4007394), (81, 3957920), (87, 3684960), (90, 3562128), (96, 3339495), (108, 2968440), (116, 2763720), (120, 2671596), (135, 2374752), (144, 2226330), (145, 2210976), (160, 2003697), (162, 1978960), (174, 1842480), (180, 1781064), (216, 1484220), (232, 1381860), (240, 1335798), (261, 1228320), (270, 1187376), (288, 1113165), (290, 1105488), (324, 989480), (348, 921240), (360, 890532), (405, 791584), (432, 742110), (435, 736992), (464, 690930), (480, 667899), (522, 614160), (540, 593688), (580, 552744), (648, 494740), (696, 460620), (720, 445266), (783, 409440), (810, 395792), (853, 375840), (864, 371055), (870, 368496), (928, 345465), (1044, 307080), (1080, 296844), (1160, 276372), (1296, 247370), (1305, 245664), (1392, 230310), (1440, 222633), (1566, 204720), (1620, 197896), (1706, 187920), (1740, 184248), (2088, 153540), (2160, 148422), (2320, 138186), (2349, 136480), (2559, 125280), (2592, 123685), (2610, 122832), (2784, 115155), (3132, 102360), (3240, 98948), (3412, 93960), (3480, 92124), (3915, 81888), (4176, 76770), (4265, 75168), (4320, 74211), (4640, 69093), (4698, 68240), (5118, 62640), (5220, 61416), (6264, 51180), (6480, 49474), (6824, 46980), (6960, 46062), (7677, 41760), (7830, 40944), (8352, 38385), (8530, 37584), (9396, 34120), (10236, 31320), (10440, 30708), (11745, 27296), (12528, 25590), (12795, 25056), (12960, 24737), (13648, 23490), (13920, 23031), (15354, 20880), (15660, 20472), (17060, 18792)]