321706560

素因数分解:

$2^6\times 3^1\times 5^1\times 7^3\times {\mathrm{977}}^1$

素因数の和:1018

約数の個数: 224

約数和(自身を含む): 1192377600

約数和(自身を除く): 870671040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 192, 196, 210, 224, 240, 245, 280, 294, 320, 336, 343, 392, 420, 448, 480, 490, 560, 588, 672, 686, 735, 784, 840, 960, 977, 980, 1029, 1120, 1176, 1344, 1372, 1470, 1568, 1680, 1715, 1954, 1960, 2058, 2240, 2352, 2744, 2931, 2940, 3136, 3360, 3430, 3908, 3920, 4116, 4704, 4885, 5145, 5488, 5862, 5880, 6720, 6839, 6860, 7816, 7840, 8232, 9408, 9770, 10290, 10976, 11724, 11760, 13678, 13720, 14655, 15632, 15680, 16464, 19540, 20517, 20580, 21952, 23448, 23520, 27356, 27440, 29310, 31264, 32928, 34195, 39080, 41034, 41160, 46896, 47040, 47873, 54712, 54880, 58620, 62528, 65856, 68390, 78160, 82068, 82320, 93792, 95746, 102585, 109424, 109760, 117240, 136780, 143619, 156320, 164136, 164640, 187584, 191492, 205170, 218848, 234480, 239365, 273560, 287238, 312640, 328272, 329280, 335111, 382984, 410340, 437696, 468960, 478730, 547120, 574476, 656544, 670222, 718095, 765968, 820680, 937920, 957460, 1005333, 1094240, 1148952, 1313088, 1340444, 1436190, 1531936, 1641360, 1675555, 1914920, 2010666, 2188480, 2297904, 2680888, 2872380, 3063872, 3282720, 3351110, 3829840, 4021332, 4595808, 5026665, 5361776, 5744760, 6565440, 6702220, 7659680, 8042664, 9191616, 10053330, 10723552, 11489520, 13404440, 15319360, 16085328, 20106660, 21447104, 22979040, 26808880, 32170656, 40213320, 45958080, 53617760, 64341312, 80426640, 107235520, 160853280, 321706560]

約数ペア:

[(1, 321706560), (2, 160853280), (3, 107235520), (4, 80426640), (5, 64341312), (6, 53617760), (7, 45958080), (8, 40213320), (10, 32170656), (12, 26808880), (14, 22979040), (15, 21447104), (16, 20106660), (20, 16085328), (21, 15319360), (24, 13404440), (28, 11489520), (30, 10723552), (32, 10053330), (35, 9191616), (40, 8042664), (42, 7659680), (48, 6702220), (49, 6565440), (56, 5744760), (60, 5361776), (64, 5026665), (70, 4595808), (80, 4021332), (84, 3829840), (96, 3351110), (98, 3282720), (105, 3063872), (112, 2872380), (120, 2680888), (140, 2297904), (147, 2188480), (160, 2010666), (168, 1914920), (192, 1675555), (196, 1641360), (210, 1531936), (224, 1436190), (240, 1340444), (245, 1313088), (280, 1148952), (294, 1094240), (320, 1005333), (336, 957460), (343, 937920), (392, 820680), (420, 765968), (448, 718095), (480, 670222), (490, 656544), (560, 574476), (588, 547120), (672, 478730), (686, 468960), (735, 437696), (784, 410340), (840, 382984), (960, 335111), (977, 329280), (980, 328272), (1029, 312640), (1120, 287238), (1176, 273560), (1344, 239365), (1372, 234480), (1470, 218848), (1568, 205170), (1680, 191492), (1715, 187584), (1954, 164640), (1960, 164136), (2058, 156320), (2240, 143619), (2352, 136780), (2744, 117240), (2931, 109760), (2940, 109424), (3136, 102585), (3360, 95746), (3430, 93792), (3908, 82320), (3920, 82068), (4116, 78160), (4704, 68390), (4885, 65856), (5145, 62528), (5488, 58620), (5862, 54880), (5880, 54712), (6720, 47873), (6839, 47040), (6860, 46896), (7816, 41160), (7840, 41034), (8232, 39080), (9408, 34195), (9770, 32928), (10290, 31264), (10976, 29310), (11724, 27440), (11760, 27356), (13678, 23520), (13720, 23448), (14655, 21952), (15632, 20580), (15680, 20517), (16464, 19540)]