420230400

素因数分解:

$2^8\times 3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{509}}^1$

素因数の和:581

約数の個数: 216

約数和(自身を含む): 1421888160

約数和(自身を除く): 1001657760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 43, 48, 50, 60, 64, 75, 80, 86, 96, 100, 120, 128, 129, 150, 160, 172, 192, 200, 215, 240, 256, 258, 300, 320, 344, 384, 400, 430, 480, 509, 516, 600, 640, 645, 688, 768, 800, 860, 960, 1018, 1032, 1075, 1200, 1280, 1290, 1376, 1527, 1600, 1720, 1920, 2036, 2064, 2150, 2400, 2545, 2580, 2752, 3054, 3200, 3225, 3440, 3840, 4072, 4128, 4300, 4800, 5090, 5160, 5504, 6108, 6400, 6450, 6880, 7635, 8144, 8256, 8600, 9600, 10180, 10320, 11008, 12216, 12725, 12900, 13760, 15270, 16288, 16512, 17200, 19200, 20360, 20640, 21887, 24432, 25450, 25800, 27520, 30540, 32576, 33024, 34400, 38175, 40720, 41280, 43774, 48864, 50900, 51600, 55040, 61080, 65152, 65661, 68800, 76350, 81440, 82560, 87548, 97728, 101800, 103200, 109435, 122160, 130304, 131322, 137600, 152700, 162880, 165120, 175096, 195456, 203600, 206400, 218870, 244320, 262644, 275200, 305400, 325760, 328305, 350192, 390912, 407200, 412800, 437740, 488640, 525288, 547175, 610800, 651520, 656610, 700384, 814400, 825600, 875480, 977280, 1050576, 1094350, 1221600, 1313220, 1400768, 1628800, 1641525, 1750960, 1954560, 2101152, 2188700, 2443200, 2626440, 2801536, 3257600, 3283050, 3501920, 4202304, 4377400, 4886400, 5252880, 5603072, 6566100, 7003840, 8404608, 8754800, 9772800, 10505760, 13132200, 14007680, 16809216, 17509600, 21011520, 26264400, 28015360, 35019200, 42023040, 52528800, 70038400, 84046080, 105057600, 140076800, 210115200, 420230400]

約数ペア:

[(1, 420230400), (2, 210115200), (3, 140076800), (4, 105057600), (5, 84046080), (6, 70038400), (8, 52528800), (10, 42023040), (12, 35019200), (15, 28015360), (16, 26264400), (20, 21011520), (24, 17509600), (25, 16809216), (30, 14007680), (32, 13132200), (40, 10505760), (43, 9772800), (48, 8754800), (50, 8404608), (60, 7003840), (64, 6566100), (75, 5603072), (80, 5252880), (86, 4886400), (96, 4377400), (100, 4202304), (120, 3501920), (128, 3283050), (129, 3257600), (150, 2801536), (160, 2626440), (172, 2443200), (192, 2188700), (200, 2101152), (215, 1954560), (240, 1750960), (256, 1641525), (258, 1628800), (300, 1400768), (320, 1313220), (344, 1221600), (384, 1094350), (400, 1050576), (430, 977280), (480, 875480), (509, 825600), (516, 814400), (600, 700384), (640, 656610), (645, 651520), (688, 610800), (768, 547175), (800, 525288), (860, 488640), (960, 437740), (1018, 412800), (1032, 407200), (1075, 390912), (1200, 350192), (1280, 328305), (1290, 325760), (1376, 305400), (1527, 275200), (1600, 262644), (1720, 244320), (1920, 218870), (2036, 206400), (2064, 203600), (2150, 195456), (2400, 175096), (2545, 165120), (2580, 162880), (2752, 152700), (3054, 137600), (3200, 131322), (3225, 130304), (3440, 122160), (3840, 109435), (4072, 103200), (4128, 101800), (4300, 97728), (4800, 87548), (5090, 82560), (5160, 81440), (5504, 76350), (6108, 68800), (6400, 65661), (6450, 65152), (6880, 61080), (7635, 55040), (8144, 51600), (8256, 50900), (8600, 48864), (9600, 43774), (10180, 41280), (10320, 40720), (11008, 38175), (12216, 34400), (12725, 33024), (12900, 32576), (13760, 30540), (15270, 27520), (16288, 25800), (16512, 25450), (17200, 24432), (19200, 21887), (20360, 20640)]