256668720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:113

約数の個数: 640

約数和(自身を含む): 1131356160

約数和(自身を除く): 874687440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 17, 19, 20, 21, 22, 24, 28, 30, 33, 34, 35, 38, 40, 42, 43, 44, 48, 51, 55, 56, 57, 60, 66, 68, 70, 76, 77, 80, 84, 85, 86, 88, 95, 102, 105, 110, 112, 114, 119, 120, 129, 132, 133, 136, 140, 152, 154, 165, 168, 170, 172, 176, 187, 190, 204, 209, 210, 215, 220, 228, 231, 238, 240, 255, 258, 264, 266, 272, 280, 285, 301, 304, 308, 323, 330, 336, 340, 344, 357, 374, 380, 385, 399, 408, 418, 420, 430, 440, 456, 462, 473, 476, 510, 516, 528, 532, 560, 561, 570, 595, 602, 616, 627, 645, 646, 660, 665, 680, 688, 714, 731, 748, 760, 770, 798, 816, 817, 836, 840, 860, 880, 903, 912, 924, 935, 946, 952, 969, 1020, 1032, 1045, 1064, 1122, 1140, 1155, 1190, 1204, 1232, 1254, 1290, 1292, 1309, 1320, 1330, 1360, 1419, 1428, 1462, 1463, 1496, 1505, 1520, 1540, 1596, 1615, 1634, 1672, 1680, 1720, 1785, 1806, 1848, 1870, 1892, 1904, 1938, 1995, 2040, 2064, 2090, 2128, 2193, 2244, 2261, 2280, 2310, 2365, 2380, 2408, 2451, 2508, 2580, 2584, 2618, 2640, 2660, 2805, 2838, 2856, 2924, 2926, 2992, 3010, 3080, 3135, 3192, 3230, 3268, 3311, 3344, 3440, 3553, 3570, 3612, 3655, 3696, 3740, 3784, 3876, 3927, 3990, 4080, 4085, 4180, 4386, 4389, 4488, 4515, 4522, 4560, 4620, 4730, 4760, 4816, 4845, 4902, 5016, 5117, 5160, 5168, 5236, 5320, 5610, 5676, 5712, 5719, 5848, 5852, 6020, 6160, 6270, 6384, 6460, 6536, 6545, 6622, 6783, 7095, 7106, 7140, 7224, 7310, 7315, 7480, 7568, 7752, 7854, 7980, 8041, 8170, 8360, 8772, 8778, 8976, 8987, 9030, 9044, 9240, 9460, 9520, 9690, 9804, 9933, 10032, 10234, 10320, 10472, 10640, 10659, 10965, 11220, 11305, 11352, 11438, 11696, 11704, 12040, 12255, 12540, 12920, 13072, 13090, 13244, 13566, 13889, 14190, 14212, 14280, 14448, 14620, 14630, 14960, 15351, 15504, 15708, 15960, 16082, 16340, 16555, 16720, 17157, 17544, 17556, 17765, 17974, 18060, 18088, 18480, 18920, 19380, 19608, 19635, 19866, 20468, 20944, 21318, 21930, 21945, 22440, 22610, 22704, 22876, 23408, 24080, 24123, 24510, 24871, 25080, 25585, 25840, 26180, 26488, 26961, 27132, 27778, 28380, 28424, 28560, 28595, 29240, 29260, 30702, 31416, 31920, 32164, 32680, 33110, 33915, 34314, 35088, 35112, 35530, 35948, 36120, 36176, 37840, 38760, 39216, 39270, 39732, 40205, 40936, 41667, 42636, 43860, 43890, 44880, 44935, 45220, 45752, 48246, 49020, 49665, 49742, 50160, 51170, 52360, 52976, 53295, 53922, 54264, 55556, 56287, 56760, 56848, 57190, 58480, 58520, 61404, 62832, 62909, 64328, 65360, 66220, 67830, 68628, 69445, 70224, 71060, 71896, 72240, 74613, 76755, 77520, 78540, 79464, 80410, 81872, 83334, 85272, 85785, 87720, 87780, 89870, 90440, 91504, 96492, 97223, 98040, 99330, 99484, 102340, 104720, 106590, 107844, 108528, 111112, 112574, 113520, 114380, 117040, 120615, 122808, 124355, 125818, 128656, 132440, 134805, 135660, 137256, 138890, 142120, 143792, 149226, 152779, 153510, 157080, 158928, 160820, 166668, 168861, 170544, 171570, 175440, 175560, 179740, 180880, 188727, 192984, 194446, 196080, 198660, 198968, 204680, 208335, 213180, 215688, 222224, 225148, 228760, 241230, 245616, 248710, 251636, 264880, 269610, 271320, 274512, 277780, 281435, 284240, 291669, 298452, 305558, 307020, 314160, 314545, 321640, 333336, 337722, 343140, 351120, 359480, 373065, 377454, 385968, 388892, 397320, 397936, 409360, 416670, 426360, 431376, 450296, 457520, 458337, 482460, 486115, 497420, 503272, 539220, 542640, 555560, 562870, 583338, 596904, 611116, 614040, 629090, 643280, 666672, 675444, 686280, 718960, 746130, 754908, 763895, 777784, 794640, 833340, 844305, 852720, 900592, 916674, 943635, 964920, 972230, 994840, 1006544, 1069453, 1078440, 1111120, 1125740, 1166676, 1193808, 1222232, 1228080, 1258180, 1350888, 1372560, 1458345, 1492260, 1509816, 1527790, 1555568, 1666680, 1688610, 1833348, 1887270, 1929840, 1944460, 1989680, 2138906, 2156880, 2251480, 2291685, 2333352, 2444464, 2516360, 2701776, 2916690, 2984520, 3019632, 3055580, 3208359, 3333360, 3377220, 3666696, 3774540, 3888920, 4277812, 4502960, 4583370, 4666704, 5032720, 5347265, 5833380, 5969040, 6111160, 6416718, 6754440, 7333392, 7549080, 7777840, 8555624, 9166740, 10694530, 11666760, 12222320, 12833436, 13508880, 15098160, 16041795, 17111248, 18333480, 21389060, 23333520, 25666872, 32083590, 36666960, 42778120, 51333744, 64167180, 85556240, 128334360, 256668720]

約数ペア:

[(1, 256668720), (2, 128334360), (3, 85556240), (4, 64167180), (5, 51333744), (6, 42778120), (7, 36666960), (8, 32083590), (10, 25666872), (11, 23333520), (12, 21389060), (14, 18333480), (15, 17111248), (16, 16041795), (17, 15098160), (19, 13508880), (20, 12833436), (21, 12222320), (22, 11666760), (24, 10694530), (28, 9166740), (30, 8555624), (33, 7777840), (34, 7549080), (35, 7333392), (38, 6754440), (40, 6416718), (42, 6111160), (43, 5969040), (44, 5833380), (48, 5347265), (51, 5032720), (55, 4666704), (56, 4583370), (57, 4502960), (60, 4277812), (66, 3888920), (68, 3774540), (70, 3666696), (76, 3377220), (77, 3333360), (80, 3208359), (84, 3055580), (85, 3019632), (86, 2984520), (88, 2916690), (95, 2701776), (102, 2516360), (105, 2444464), (110, 2333352), (112, 2291685), (114, 2251480), (119, 2156880), (120, 2138906), (129, 1989680), (132, 1944460), (133, 1929840), (136, 1887270), (140, 1833348), (152, 1688610), (154, 1666680), (165, 1555568), (168, 1527790), (170, 1509816), (172, 1492260), (176, 1458345), (187, 1372560), (190, 1350888), (204, 1258180), (209, 1228080), (210, 1222232), (215, 1193808), (220, 1166676), (228, 1125740), (231, 1111120), (238, 1078440), (240, 1069453), (255, 1006544), (258, 994840), (264, 972230), (266, 964920), (272, 943635), (280, 916674), (285, 900592), (301, 852720), (304, 844305), (308, 833340), (323, 794640), (330, 777784), (336, 763895), (340, 754908), (344, 746130), (357, 718960), (374, 686280), (380, 675444), (385, 666672), (399, 643280), (408, 629090), (418, 614040), (420, 611116), (430, 596904), (440, 583338), (456, 562870), (462, 555560), (473, 542640), (476, 539220), (510, 503272), (516, 497420), (528, 486115), (532, 482460), (560, 458337), (561, 457520), (570, 450296), (595, 431376), (602, 426360), (616, 416670), (627, 409360), (645, 397936), (646, 397320), (660, 388892), (665, 385968), (680, 377454), (688, 373065), (714, 359480), (731, 351120), (748, 343140), (760, 337722), (770, 333336), (798, 321640), (816, 314545), (817, 314160), (836, 307020), (840, 305558), (860, 298452), (880, 291669), (903, 284240), (912, 281435), (924, 277780), (935, 274512), (946, 271320), (952, 269610), (969, 264880), (1020, 251636), (1032, 248710), (1045, 245616), (1064, 241230), (1122, 228760), (1140, 225148), (1155, 222224), (1190, 215688), (1204, 213180), (1232, 208335), (1254, 204680), (1290, 198968), (1292, 198660), (1309, 196080), (1320, 194446), (1330, 192984), (1360, 188727), (1419, 180880), (1428, 179740), (1462, 175560), (1463, 175440), (1496, 171570), (1505, 170544), (1520, 168861), (1540, 166668), (1596, 160820), (1615, 158928), (1634, 157080), (1672, 153510), (1680, 152779), (1720, 149226), (1785, 143792), (1806, 142120), (1848, 138890), (1870, 137256), (1892, 135660), (1904, 134805), (1938, 132440), (1995, 128656), (2040, 125818), (2064, 124355), (2090, 122808), (2128, 120615), (2193, 117040), (2244, 114380), (2261, 113520), (2280, 112574), (2310, 111112), (2365, 108528), (2380, 107844), (2408, 106590), (2451, 104720), (2508, 102340), (2580, 99484), (2584, 99330), (2618, 98040), (2640, 97223), (2660, 96492), (2805, 91504), (2838, 90440), (2856, 89870), (2924, 87780), (2926, 87720), (2992, 85785), (3010, 85272), (3080, 83334), (3135, 81872), (3192, 80410), (3230, 79464), (3268, 78540), (3311, 77520), (3344, 76755), (3440, 74613), (3553, 72240), (3570, 71896), (3612, 71060), (3655, 70224), (3696, 69445), (3740, 68628), (3784, 67830), (3876, 66220), (3927, 65360), (3990, 64328), (4080, 62909), (4085, 62832), (4180, 61404), (4386, 58520), (4389, 58480), (4488, 57190), (4515, 56848), (4522, 56760), (4560, 56287), (4620, 55556), (4730, 54264), (4760, 53922), (4816, 53295), (4845, 52976), (4902, 52360), (5016, 51170), (5117, 50160), (5160, 49742), (5168, 49665), (5236, 49020), (5320, 48246), (5610, 45752), (5676, 45220), (5712, 44935), (5719, 44880), (5848, 43890), (5852, 43860), (6020, 42636), (6160, 41667), (6270, 40936), (6384, 40205), (6460, 39732), (6536, 39270), (6545, 39216), (6622, 38760), (6783, 37840), (7095, 36176), (7106, 36120), (7140, 35948), (7224, 35530), (7310, 35112), (7315, 35088), (7480, 34314), (7568, 33915), (7752, 33110), (7854, 32680), (7980, 32164), (8041, 31920), (8170, 31416), (8360, 30702), (8772, 29260), (8778, 29240), (8976, 28595), (8987, 28560), (9030, 28424), (9044, 28380), (9240, 27778), (9460, 27132), (9520, 26961), (9690, 26488), (9804, 26180), (9933, 25840), (10032, 25585), (10234, 25080), (10320, 24871), (10472, 24510), (10640, 24123), (10659, 24080), (10965, 23408), (11220, 22876), (11305, 22704), (11352, 22610), (11438, 22440), (11696, 21945), (11704, 21930), (12040, 21318), (12255, 20944), (12540, 20468), (12920, 19866), (13072, 19635), (13090, 19608), (13244, 19380), (13566, 18920), (13889, 18480), (14190, 18088), (14212, 18060), (14280, 17974), (14448, 17765), (14620, 17556), (14630, 17544), (14960, 17157), (15351, 16720), (15504, 16555), (15708, 16340), (15960, 16082)]