1280401920

素因数分解:

$2^9\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{467}}^1$

素因数の和:520

約数の個数: 480

約数和(自身を含む): 5377477248

約数和(自身を除く): 4097075328

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 17, 18, 20, 21, 24, 28, 30, 32, 34, 35, 36, 40, 42, 45, 48, 51, 56, 60, 63, 64, 68, 70, 72, 80, 84, 85, 90, 96, 102, 105, 112, 119, 120, 126, 128, 136, 140, 144, 153, 160, 168, 170, 180, 192, 204, 210, 224, 238, 240, 252, 255, 256, 272, 280, 288, 306, 315, 320, 336, 340, 357, 360, 384, 408, 420, 448, 467, 476, 480, 504, 510, 512, 544, 560, 576, 595, 612, 630, 640, 672, 680, 714, 720, 765, 768, 816, 840, 896, 934, 952, 960, 1008, 1020, 1071, 1088, 1120, 1152, 1190, 1224, 1260, 1280, 1344, 1360, 1401, 1428, 1440, 1530, 1536, 1632, 1680, 1785, 1792, 1868, 1904, 1920, 2016, 2040, 2142, 2176, 2240, 2304, 2335, 2380, 2448, 2520, 2560, 2688, 2720, 2802, 2856, 2880, 3060, 3264, 3269, 3360, 3570, 3584, 3736, 3808, 3840, 4032, 4080, 4203, 4284, 4352, 4480, 4608, 4670, 4760, 4896, 5040, 5355, 5376, 5440, 5604, 5712, 5760, 6120, 6528, 6538, 6720, 7005, 7140, 7472, 7616, 7680, 7939, 8064, 8160, 8406, 8568, 8704, 8960, 9340, 9520, 9792, 9807, 10080, 10710, 10752, 10880, 11208, 11424, 11520, 12240, 13056, 13076, 13440, 14010, 14280, 14944, 15232, 15878, 16128, 16320, 16345, 16812, 17136, 17920, 18680, 19040, 19584, 19614, 20160, 21015, 21420, 21760, 22416, 22848, 23040, 23817, 24480, 26112, 26152, 26880, 28020, 28560, 29421, 29888, 30464, 31756, 32256, 32640, 32690, 33624, 34272, 37360, 38080, 39168, 39228, 39695, 40320, 42030, 42840, 43520, 44832, 45696, 47634, 48960, 49035, 52304, 53760, 55573, 56040, 57120, 58842, 59776, 60928, 63512, 65280, 65380, 67248, 68544, 71451, 74720, 76160, 78336, 78456, 79390, 80640, 84060, 85680, 89664, 91392, 95268, 97920, 98070, 104608, 111146, 112080, 114240, 117684, 119085, 119552, 127024, 130560, 130760, 134496, 137088, 142902, 147105, 149440, 152320, 156912, 158780, 161280, 166719, 168120, 171360, 179328, 182784, 190536, 195840, 196140, 209216, 222292, 224160, 228480, 235368, 238170, 239104, 254048, 261520, 268992, 274176, 277865, 285804, 294210, 298880, 304640, 313824, 317560, 333438, 336240, 342720, 357255, 358656, 381072, 391680, 392280, 418432, 444584, 448320, 456960, 470736, 476340, 500157, 508096, 523040, 537984, 548352, 555730, 571608, 588420, 597760, 627648, 635120, 666876, 672480, 685440, 714510, 717312, 762144, 784560, 833595, 836864, 889168, 896640, 913920, 941472, 952680, 1000314, 1016192, 1046080, 1075968, 1111460, 1143216, 1176840, 1195520, 1255296, 1270240, 1333752, 1344960, 1370880, 1429020, 1524288, 1569120, 1667190, 1673728, 1778336, 1793280, 1882944, 1905360, 2000628, 2032384, 2092160, 2151936, 2222920, 2286432, 2353680, 2500785, 2510592, 2540480, 2667504, 2689920, 2741760, 2858040, 3048576, 3138240, 3334380, 3556672, 3586560, 3765888, 3810720, 4001256, 4064768, 4184320, 4445840, 4572864, 4707360, 5001570, 5021184, 5080960, 5335008, 5379840, 5716080, 6097152, 6276480, 6668760, 7113344, 7531776, 7621440, 8002512, 8368640, 8891680, 9145728, 9414720, 10003140, 10161920, 10670016, 10759680, 11432160, 12194304, 12552960, 13337520, 14226688, 15063552, 15242880, 16005024, 17783360, 18291456, 18829440, 20006280, 20323840, 21340032, 22864320, 25105920, 26675040, 28453376, 30485760, 32010048, 35566720, 36582912, 37658880, 40012560, 42680064, 45728640, 53350080, 60971520, 64020096, 71133440, 75317760, 80025120, 85360128, 91457280, 106700160, 128040192, 142266880, 160050240, 182914560, 213400320, 256080384, 320100480, 426800640, 640200960, 1280401920]

約数ペア:

[(1, 1280401920), (2, 640200960), (3, 426800640), (4, 320100480), (5, 256080384), (6, 213400320), (7, 182914560), (8, 160050240), (9, 142266880), (10, 128040192), (12, 106700160), (14, 91457280), (15, 85360128), (16, 80025120), (17, 75317760), (18, 71133440), (20, 64020096), (21, 60971520), (24, 53350080), (28, 45728640), (30, 42680064), (32, 40012560), (34, 37658880), (35, 36582912), (36, 35566720), (40, 32010048), (42, 30485760), (45, 28453376), (48, 26675040), (51, 25105920), (56, 22864320), (60, 21340032), (63, 20323840), (64, 20006280), (68, 18829440), (70, 18291456), (72, 17783360), (80, 16005024), (84, 15242880), (85, 15063552), (90, 14226688), (96, 13337520), (102, 12552960), (105, 12194304), (112, 11432160), (119, 10759680), (120, 10670016), (126, 10161920), (128, 10003140), (136, 9414720), (140, 9145728), (144, 8891680), (153, 8368640), (160, 8002512), (168, 7621440), (170, 7531776), (180, 7113344), (192, 6668760), (204, 6276480), (210, 6097152), (224, 5716080), (238, 5379840), (240, 5335008), (252, 5080960), (255, 5021184), (256, 5001570), (272, 4707360), (280, 4572864), (288, 4445840), (306, 4184320), (315, 4064768), (320, 4001256), (336, 3810720), (340, 3765888), (357, 3586560), (360, 3556672), (384, 3334380), (408, 3138240), (420, 3048576), (448, 2858040), (467, 2741760), (476, 2689920), (480, 2667504), (504, 2540480), (510, 2510592), (512, 2500785), (544, 2353680), (560, 2286432), (576, 2222920), (595, 2151936), (612, 2092160), (630, 2032384), (640, 2000628), (672, 1905360), (680, 1882944), (714, 1793280), (720, 1778336), (765, 1673728), (768, 1667190), (816, 1569120), (840, 1524288), (896, 1429020), (934, 1370880), (952, 1344960), (960, 1333752), (1008, 1270240), (1020, 1255296), (1071, 1195520), (1088, 1176840), (1120, 1143216), (1152, 1111460), (1190, 1075968), (1224, 1046080), (1260, 1016192), (1280, 1000314), (1344, 952680), (1360, 941472), (1401, 913920), (1428, 896640), (1440, 889168), (1530, 836864), (1536, 833595), (1632, 784560), (1680, 762144), (1785, 717312), (1792, 714510), (1868, 685440), (1904, 672480), (1920, 666876), (2016, 635120), (2040, 627648), (2142, 597760), (2176, 588420), (2240, 571608), (2304, 555730), (2335, 548352), (2380, 537984), (2448, 523040), (2520, 508096), (2560, 500157), (2688, 476340), (2720, 470736), (2802, 456960), (2856, 448320), (2880, 444584), (3060, 418432), (3264, 392280), (3269, 391680), (3360, 381072), (3570, 358656), (3584, 357255), (3736, 342720), (3808, 336240), (3840, 333438), (4032, 317560), (4080, 313824), (4203, 304640), (4284, 298880), (4352, 294210), (4480, 285804), (4608, 277865), (4670, 274176), (4760, 268992), (4896, 261520), (5040, 254048), (5355, 239104), (5376, 238170), (5440, 235368), (5604, 228480), (5712, 224160), (5760, 222292), (6120, 209216), (6528, 196140), (6538, 195840), (6720, 190536), (7005, 182784), (7140, 179328), (7472, 171360), (7616, 168120), (7680, 166719), (7939, 161280), (8064, 158780), (8160, 156912), (8406, 152320), (8568, 149440), (8704, 147105), (8960, 142902), (9340, 137088), (9520, 134496), (9792, 130760), (9807, 130560), (10080, 127024), (10710, 119552), (10752, 119085), (10880, 117684), (11208, 114240), (11424, 112080), (11520, 111146), (12240, 104608), (13056, 98070), (13076, 97920), (13440, 95268), (14010, 91392), (14280, 89664), (14944, 85680), (15232, 84060), (15878, 80640), (16128, 79390), (16320, 78456), (16345, 78336), (16812, 76160), (17136, 74720), (17920, 71451), (18680, 68544), (19040, 67248), (19584, 65380), (19614, 65280), (20160, 63512), (21015, 60928), (21420, 59776), (21760, 58842), (22416, 57120), (22848, 56040), (23040, 55573), (23817, 53760), (24480, 52304), (26112, 49035), (26152, 48960), (26880, 47634), (28020, 45696), (28560, 44832), (29421, 43520), (29888, 42840), (30464, 42030), (31756, 40320), (32256, 39695), (32640, 39228), (32690, 39168), (33624, 38080), (34272, 37360)]