643538880

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{509}}^1$

素因数の和:971

約数の個数: 168

約数和(自身を含む): 2222906400

約数和(自身を除く): 1579367520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 240, 288, 320, 360, 439, 480, 509, 576, 720, 878, 960, 1018, 1317, 1440, 1527, 1756, 2036, 2195, 2545, 2634, 2880, 3054, 3512, 3951, 4072, 4390, 4581, 5090, 5268, 6108, 6585, 7024, 7635, 7902, 8144, 8780, 9162, 10180, 10536, 12216, 13170, 14048, 15270, 15804, 16288, 17560, 18324, 19755, 20360, 21072, 22905, 24432, 26340, 28096, 30540, 31608, 32576, 35120, 36648, 39510, 40720, 42144, 45810, 48864, 52680, 61080, 63216, 70240, 73296, 79020, 81440, 84288, 91620, 97728, 105360, 122160, 126432, 140480, 146592, 158040, 162880, 183240, 210720, 223451, 244320, 252864, 293184, 316080, 366480, 421440, 446902, 488640, 632160, 670353, 732960, 893804, 1117255, 1264320, 1340706, 1465920, 1787608, 2011059, 2234510, 2681412, 3351765, 3575216, 4022118, 4469020, 5362824, 6703530, 7150432, 8044236, 8938040, 10055295, 10725648, 13407060, 14300864, 16088472, 17876080, 20110590, 21451296, 26814120, 32176944, 35752160, 40221180, 42902592, 53628240, 64353888, 71504320, 80442360, 107256480, 128707776, 160884720, 214512960, 321769440, 643538880]

約数ペア:

[(1, 643538880), (2, 321769440), (3, 214512960), (4, 160884720), (5, 128707776), (6, 107256480), (8, 80442360), (9, 71504320), (10, 64353888), (12, 53628240), (15, 42902592), (16, 40221180), (18, 35752160), (20, 32176944), (24, 26814120), (30, 21451296), (32, 20110590), (36, 17876080), (40, 16088472), (45, 14300864), (48, 13407060), (60, 10725648), (64, 10055295), (72, 8938040), (80, 8044236), (90, 7150432), (96, 6703530), (120, 5362824), (144, 4469020), (160, 4022118), (180, 3575216), (192, 3351765), (240, 2681412), (288, 2234510), (320, 2011059), (360, 1787608), (439, 1465920), (480, 1340706), (509, 1264320), (576, 1117255), (720, 893804), (878, 732960), (960, 670353), (1018, 632160), (1317, 488640), (1440, 446902), (1527, 421440), (1756, 366480), (2036, 316080), (2195, 293184), (2545, 252864), (2634, 244320), (2880, 223451), (3054, 210720), (3512, 183240), (3951, 162880), (4072, 158040), (4390, 146592), (4581, 140480), (5090, 126432), (5268, 122160), (6108, 105360), (6585, 97728), (7024, 91620), (7635, 84288), (7902, 81440), (8144, 79020), (8780, 73296), (9162, 70240), (10180, 63216), (10536, 61080), (12216, 52680), (13170, 48864), (14048, 45810), (15270, 42144), (15804, 40720), (16288, 39510), (17560, 36648), (18324, 35120), (19755, 32576), (20360, 31608), (21072, 30540), (22905, 28096), (24432, 26340)]