251690880

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{307}}^1$

素因数の和:397

約数の個数: 256

約数和(自身を含む): 934940160

約数和(自身を除く): 683249280

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, 56, 60, 61, 64, 70, 80, 84, 96, 105, 112, 120, 122, 128, 140, 160, 168, 183, 192, 210, 224, 240, 244, 280, 305, 307, 320, 336, 366, 384, 420, 427, 448, 480, 488, 560, 610, 614, 640, 672, 732, 840, 854, 896, 915, 921, 960, 976, 1120, 1220, 1228, 1281, 1344, 1464, 1535, 1680, 1708, 1830, 1842, 1920, 1952, 2135, 2149, 2240, 2440, 2456, 2562, 2688, 2928, 3070, 3360, 3416, 3660, 3684, 3904, 4270, 4298, 4480, 4605, 4880, 4912, 5124, 5856, 6140, 6405, 6447, 6720, 6832, 7320, 7368, 7808, 8540, 8596, 9210, 9760, 9824, 10248, 10745, 11712, 12280, 12810, 12894, 13440, 13664, 14640, 14736, 17080, 17192, 18420, 18727, 19520, 19648, 20496, 21490, 23424, 24560, 25620, 25788, 27328, 29280, 29472, 32235, 34160, 34384, 36840, 37454, 39040, 39296, 40992, 42980, 49120, 51240, 51576, 54656, 56181, 58560, 58944, 64470, 68320, 68768, 73680, 74908, 81984, 85960, 93635, 98240, 102480, 103152, 112362, 117120, 117888, 128940, 131089, 136640, 137536, 147360, 149816, 163968, 171920, 187270, 196480, 204960, 206304, 224724, 257880, 262178, 273280, 275072, 280905, 294720, 299632, 343840, 374540, 393267, 409920, 412608, 449448, 515760, 524356, 561810, 589440, 599264, 655445, 687680, 749080, 786534, 819840, 825216, 898896, 1031520, 1048712, 1123620, 1198528, 1310890, 1375360, 1498160, 1573068, 1797792, 1966335, 2063040, 2097424, 2247240, 2397056, 2621780, 2996320, 3146136, 3595584, 3932670, 4126080, 4194848, 4494480, 5243560, 5992640, 6292272, 7191168, 7865340, 8389696, 8988960, 10487120, 11985280, 12584544, 15730680, 16779392, 17977920, 20974240, 25169088, 31461360, 35955840, 41948480, 50338176, 62922720, 83896960, 125845440, 251690880]

約数ペア:

[(1, 251690880), (2, 125845440), (3, 83896960), (4, 62922720), (5, 50338176), (6, 41948480), (7, 35955840), (8, 31461360), (10, 25169088), (12, 20974240), (14, 17977920), (15, 16779392), (16, 15730680), (20, 12584544), (21, 11985280), (24, 10487120), (28, 8988960), (30, 8389696), (32, 7865340), (35, 7191168), (40, 6292272), (42, 5992640), (48, 5243560), (56, 4494480), (60, 4194848), (61, 4126080), (64, 3932670), (70, 3595584), (80, 3146136), (84, 2996320), (96, 2621780), (105, 2397056), (112, 2247240), (120, 2097424), (122, 2063040), (128, 1966335), (140, 1797792), (160, 1573068), (168, 1498160), (183, 1375360), (192, 1310890), (210, 1198528), (224, 1123620), (240, 1048712), (244, 1031520), (280, 898896), (305, 825216), (307, 819840), (320, 786534), (336, 749080), (366, 687680), (384, 655445), (420, 599264), (427, 589440), (448, 561810), (480, 524356), (488, 515760), (560, 449448), (610, 412608), (614, 409920), (640, 393267), (672, 374540), (732, 343840), (840, 299632), (854, 294720), (896, 280905), (915, 275072), (921, 273280), (960, 262178), (976, 257880), (1120, 224724), (1220, 206304), (1228, 204960), (1281, 196480), (1344, 187270), (1464, 171920), (1535, 163968), (1680, 149816), (1708, 147360), (1830, 137536), (1842, 136640), (1920, 131089), (1952, 128940), (2135, 117888), (2149, 117120), (2240, 112362), (2440, 103152), (2456, 102480), (2562, 98240), (2688, 93635), (2928, 85960), (3070, 81984), (3360, 74908), (3416, 73680), (3660, 68768), (3684, 68320), (3904, 64470), (4270, 58944), (4298, 58560), (4480, 56181), (4605, 54656), (4880, 51576), (4912, 51240), (5124, 49120), (5856, 42980), (6140, 40992), (6405, 39296), (6447, 39040), (6720, 37454), (6832, 36840), (7320, 34384), (7368, 34160), (7808, 32235), (8540, 29472), (8596, 29280), (9210, 27328), (9760, 25788), (9824, 25620), (10248, 24560), (10745, 23424), (11712, 21490), (12280, 20496), (12810, 19648), (12894, 19520), (13440, 18727), (13664, 18420), (14640, 17192), (14736, 17080)]