305840640

素因数分解:

$2^9\times 3^1\times 5^1\times 7^1\times {\mathrm{5689}}^1$

素因数の和:5722

約数の個数: 160

約数和(自身を含む): 1117607040

約数和(自身を除く): 811766400

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, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 256, 280, 320, 336, 384, 420, 448, 480, 512, 560, 640, 672, 768, 840, 896, 960, 1120, 1280, 1344, 1536, 1680, 1792, 1920, 2240, 2560, 2688, 3360, 3584, 3840, 4480, 5376, 5689, 6720, 7680, 8960, 10752, 11378, 13440, 17067, 17920, 22756, 26880, 28445, 34134, 39823, 45512, 53760, 56890, 68268, 79646, 85335, 91024, 113780, 119469, 136536, 159292, 170670, 182048, 199115, 227560, 238938, 273072, 318584, 341340, 364096, 398230, 455120, 477876, 546144, 597345, 637168, 682680, 728192, 796460, 910240, 955752, 1092288, 1194690, 1274336, 1365360, 1456384, 1592920, 1820480, 1911504, 2184576, 2389380, 2548672, 2730720, 2912768, 3185840, 3640960, 3823008, 4369152, 4778760, 5097344, 5461440, 6371680, 7281920, 7646016, 8738304, 9557520, 10194688, 10922880, 12743360, 14563840, 15292032, 19115040, 20389376, 21845760, 25486720, 30584064, 38230080, 43691520, 50973440, 61168128, 76460160, 101946880, 152920320, 305840640]

約数ペア:

[(1, 305840640), (2, 152920320), (3, 101946880), (4, 76460160), (5, 61168128), (6, 50973440), (7, 43691520), (8, 38230080), (10, 30584064), (12, 25486720), (14, 21845760), (15, 20389376), (16, 19115040), (20, 15292032), (21, 14563840), (24, 12743360), (28, 10922880), (30, 10194688), (32, 9557520), (35, 8738304), (40, 7646016), (42, 7281920), (48, 6371680), (56, 5461440), (60, 5097344), (64, 4778760), (70, 4369152), (80, 3823008), (84, 3640960), (96, 3185840), (105, 2912768), (112, 2730720), (120, 2548672), (128, 2389380), (140, 2184576), (160, 1911504), (168, 1820480), (192, 1592920), (210, 1456384), (224, 1365360), (240, 1274336), (256, 1194690), (280, 1092288), (320, 955752), (336, 910240), (384, 796460), (420, 728192), (448, 682680), (480, 637168), (512, 597345), (560, 546144), (640, 477876), (672, 455120), (768, 398230), (840, 364096), (896, 341340), (960, 318584), (1120, 273072), (1280, 238938), (1344, 227560), (1536, 199115), (1680, 182048), (1792, 170670), (1920, 159292), (2240, 136536), (2560, 119469), (2688, 113780), (3360, 91024), (3584, 85335), (3840, 79646), (4480, 68268), (5376, 56890), (5689, 53760), (6720, 45512), (7680, 39823), (8960, 34134), (10752, 28445), (11378, 26880), (13440, 22756), (17067, 17920)]