321340320

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{449}}^1$

素因数の和:548

約数の個数: 288

約数和(自身を含む): 1273708800

約数和(自身を除く): 952368480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 71, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 142, 144, 160, 168, 180, 210, 213, 224, 240, 252, 280, 284, 288, 315, 336, 355, 360, 420, 426, 449, 480, 497, 504, 560, 568, 630, 639, 672, 710, 720, 840, 852, 898, 994, 1008, 1065, 1120, 1136, 1260, 1278, 1347, 1420, 1440, 1491, 1680, 1704, 1796, 1988, 2016, 2130, 2245, 2272, 2485, 2520, 2556, 2694, 2840, 2982, 3143, 3195, 3360, 3408, 3592, 3976, 4041, 4260, 4473, 4490, 4970, 5040, 5112, 5388, 5680, 5964, 6286, 6390, 6735, 6816, 7184, 7455, 7952, 8082, 8520, 8946, 8980, 9429, 9940, 10080, 10224, 10776, 11360, 11928, 12572, 12780, 13470, 14368, 14910, 15715, 15904, 16164, 17040, 17892, 17960, 18858, 19880, 20205, 20448, 21552, 22365, 23856, 25144, 25560, 26940, 28287, 29820, 31430, 31879, 32328, 34080, 35784, 35920, 37716, 39760, 40410, 43104, 44730, 47145, 47712, 50288, 51120, 53880, 56574, 59640, 62860, 63758, 64656, 71568, 71840, 75432, 79520, 80820, 89460, 94290, 95637, 100576, 102240, 107760, 113148, 119280, 125720, 127516, 129312, 141435, 143136, 150864, 159395, 161640, 178920, 188580, 191274, 215520, 223153, 226296, 238560, 251440, 255032, 282870, 286911, 301728, 318790, 323280, 357840, 377160, 382548, 446306, 452592, 478185, 502880, 510064, 565740, 573822, 637580, 646560, 669459, 715680, 754320, 765096, 892612, 905184, 956370, 1020128, 1115765, 1131480, 1147644, 1275160, 1338918, 1434555, 1508640, 1530192, 1785224, 1912740, 2008377, 2231530, 2262960, 2295288, 2550320, 2677836, 2869110, 3060384, 3347295, 3570448, 3825480, 4016754, 4463060, 4525920, 4590576, 5100640, 5355672, 5738220, 6694590, 7140896, 7650960, 8033508, 8926120, 9181152, 10041885, 10711344, 11476440, 13389180, 15301920, 16067016, 17852240, 20083770, 21422688, 22952880, 26778360, 32134032, 35704480, 40167540, 45905760, 53556720, 64268064, 80335080, 107113440, 160670160, 321340320]

約数ペア:

[(1, 321340320), (2, 160670160), (3, 107113440), (4, 80335080), (5, 64268064), (6, 53556720), (7, 45905760), (8, 40167540), (9, 35704480), (10, 32134032), (12, 26778360), (14, 22952880), (15, 21422688), (16, 20083770), (18, 17852240), (20, 16067016), (21, 15301920), (24, 13389180), (28, 11476440), (30, 10711344), (32, 10041885), (35, 9181152), (36, 8926120), (40, 8033508), (42, 7650960), (45, 7140896), (48, 6694590), (56, 5738220), (60, 5355672), (63, 5100640), (70, 4590576), (71, 4525920), (72, 4463060), (80, 4016754), (84, 3825480), (90, 3570448), (96, 3347295), (105, 3060384), (112, 2869110), (120, 2677836), (126, 2550320), (140, 2295288), (142, 2262960), (144, 2231530), (160, 2008377), (168, 1912740), (180, 1785224), (210, 1530192), (213, 1508640), (224, 1434555), (240, 1338918), (252, 1275160), (280, 1147644), (284, 1131480), (288, 1115765), (315, 1020128), (336, 956370), (355, 905184), (360, 892612), (420, 765096), (426, 754320), (449, 715680), (480, 669459), (497, 646560), (504, 637580), (560, 573822), (568, 565740), (630, 510064), (639, 502880), (672, 478185), (710, 452592), (720, 446306), (840, 382548), (852, 377160), (898, 357840), (994, 323280), (1008, 318790), (1065, 301728), (1120, 286911), (1136, 282870), (1260, 255032), (1278, 251440), (1347, 238560), (1420, 226296), (1440, 223153), (1491, 215520), (1680, 191274), (1704, 188580), (1796, 178920), (1988, 161640), (2016, 159395), (2130, 150864), (2245, 143136), (2272, 141435), (2485, 129312), (2520, 127516), (2556, 125720), (2694, 119280), (2840, 113148), (2982, 107760), (3143, 102240), (3195, 100576), (3360, 95637), (3408, 94290), (3592, 89460), (3976, 80820), (4041, 79520), (4260, 75432), (4473, 71840), (4490, 71568), (4970, 64656), (5040, 63758), (5112, 62860), (5388, 59640), (5680, 56574), (5964, 53880), (6286, 51120), (6390, 50288), (6735, 47712), (6816, 47145), (7184, 44730), (7455, 43104), (7952, 40410), (8082, 39760), (8520, 37716), (8946, 35920), (8980, 35784), (9429, 34080), (9940, 32328), (10080, 31879), (10224, 31430), (10776, 29820), (11360, 28287), (11928, 26940), (12572, 25560), (12780, 25144), (13470, 23856), (14368, 22365), (14910, 21552), (15715, 20448), (15904, 20205), (16164, 19880), (17040, 18858), (17892, 17960)]