281907840

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:195

約数の個数: 256

約数和(自身を含む): 956188800

約数和(自身を除く): 674280960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 32, 40, 48, 58, 60, 61, 64, 80, 83, 87, 96, 116, 120, 122, 128, 145, 160, 166, 174, 183, 192, 232, 240, 244, 249, 290, 305, 320, 332, 348, 366, 384, 415, 435, 464, 480, 488, 498, 580, 610, 640, 664, 696, 732, 830, 870, 915, 928, 960, 976, 996, 1160, 1220, 1245, 1328, 1392, 1464, 1660, 1740, 1769, 1830, 1856, 1920, 1952, 1992, 2320, 2407, 2440, 2490, 2656, 2784, 2928, 3320, 3480, 3538, 3660, 3712, 3904, 3984, 4640, 4814, 4880, 4980, 5063, 5307, 5312, 5568, 5856, 6640, 6960, 7076, 7221, 7320, 7808, 7968, 8845, 9280, 9628, 9760, 9960, 10126, 10614, 10624, 11136, 11712, 12035, 13280, 13920, 14152, 14442, 14640, 15189, 15936, 17690, 18560, 19256, 19520, 19920, 20252, 21228, 23424, 24070, 25315, 26535, 26560, 27840, 28304, 28884, 29280, 30378, 31872, 35380, 36105, 38512, 39040, 39840, 40504, 42456, 48140, 50630, 53070, 53120, 55680, 56608, 57768, 58560, 60756, 70760, 72210, 75945, 77024, 79680, 81008, 84912, 96280, 101260, 106140, 113216, 115536, 117120, 121512, 141520, 144420, 146827, 151890, 154048, 159360, 162016, 169824, 192560, 202520, 212280, 226432, 231072, 243024, 283040, 288840, 293654, 303780, 308096, 324032, 339648, 385120, 405040, 424560, 440481, 462144, 486048, 566080, 577680, 587308, 607560, 648064, 679296, 734135, 770240, 810080, 849120, 880962, 924288, 972096, 1132160, 1155360, 1174616, 1215120, 1468270, 1540480, 1620160, 1698240, 1761924, 1944192, 2202405, 2310720, 2349232, 2430240, 2936540, 3240320, 3396480, 3523848, 4404810, 4621440, 4698464, 4860480, 5873080, 7047696, 8809620, 9396928, 9720960, 11746160, 14095392, 17619240, 18793856, 23492320, 28190784, 35238480, 46984640, 56381568, 70476960, 93969280, 140953920, 281907840]

約数ペア:

[(1, 281907840), (2, 140953920), (3, 93969280), (4, 70476960), (5, 56381568), (6, 46984640), (8, 35238480), (10, 28190784), (12, 23492320), (15, 18793856), (16, 17619240), (20, 14095392), (24, 11746160), (29, 9720960), (30, 9396928), (32, 8809620), (40, 7047696), (48, 5873080), (58, 4860480), (60, 4698464), (61, 4621440), (64, 4404810), (80, 3523848), (83, 3396480), (87, 3240320), (96, 2936540), (116, 2430240), (120, 2349232), (122, 2310720), (128, 2202405), (145, 1944192), (160, 1761924), (166, 1698240), (174, 1620160), (183, 1540480), (192, 1468270), (232, 1215120), (240, 1174616), (244, 1155360), (249, 1132160), (290, 972096), (305, 924288), (320, 880962), (332, 849120), (348, 810080), (366, 770240), (384, 734135), (415, 679296), (435, 648064), (464, 607560), (480, 587308), (488, 577680), (498, 566080), (580, 486048), (610, 462144), (640, 440481), (664, 424560), (696, 405040), (732, 385120), (830, 339648), (870, 324032), (915, 308096), (928, 303780), (960, 293654), (976, 288840), (996, 283040), (1160, 243024), (1220, 231072), (1245, 226432), (1328, 212280), (1392, 202520), (1464, 192560), (1660, 169824), (1740, 162016), (1769, 159360), (1830, 154048), (1856, 151890), (1920, 146827), (1952, 144420), (1992, 141520), (2320, 121512), (2407, 117120), (2440, 115536), (2490, 113216), (2656, 106140), (2784, 101260), (2928, 96280), (3320, 84912), (3480, 81008), (3538, 79680), (3660, 77024), (3712, 75945), (3904, 72210), (3984, 70760), (4640, 60756), (4814, 58560), (4880, 57768), (4980, 56608), (5063, 55680), (5307, 53120), (5312, 53070), (5568, 50630), (5856, 48140), (6640, 42456), (6960, 40504), (7076, 39840), (7221, 39040), (7320, 38512), (7808, 36105), (7968, 35380), (8845, 31872), (9280, 30378), (9628, 29280), (9760, 28884), (9960, 28304), (10126, 27840), (10614, 26560), (10624, 26535), (11136, 25315), (11712, 24070), (12035, 23424), (13280, 21228), (13920, 20252), (14152, 19920), (14442, 19520), (14640, 19256), (15189, 18560), (15936, 17690)]