21869903520

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{43517}}^1$

素因数の和:43887

約数の個数: 144

約数和(自身を含む): 74846608200

約数和(自身を除く): 52976704680

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, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 349, 360, 480, 698, 720, 1047, 1396, 1440, 1745, 2094, 2792, 3141, 3490, 4188, 5235, 5584, 6282, 6980, 8376, 10470, 11168, 12564, 13960, 15705, 16752, 20940, 25128, 27920, 31410, 33504, 41880, 43517, 50256, 55840, 62820, 83760, 87034, 100512, 125640, 130551, 167520, 174068, 217585, 251280, 261102, 348136, 391653, 435170, 502560, 522204, 652755, 696272, 783306, 870340, 1044408, 1305510, 1392544, 1566612, 1740680, 1958265, 2088816, 2611020, 3133224, 3481360, 3916530, 4177632, 5222040, 6266448, 6962720, 7833060, 10444080, 12532896, 15187433, 15666120, 20888160, 30374866, 31332240, 45562299, 60749732, 62664480, 75937165, 91124598, 121499464, 136686897, 151874330, 182249196, 227811495, 242998928, 273373794, 303748660, 364498392, 455622990, 485997856, 546747588, 607497320, 683434485, 728996784, 911245980, 1093495176, 1214994640, 1366868970, 1457993568, 1822491960, 2186990352, 2429989280, 2733737940, 3644983920, 4373980704, 5467475880, 7289967840, 10934951760, 21869903520]

約数ペア:

[(1, 21869903520), (2, 10934951760), (3, 7289967840), (4, 5467475880), (5, 4373980704), (6, 3644983920), (8, 2733737940), (9, 2429989280), (10, 2186990352), (12, 1822491960), (15, 1457993568), (16, 1366868970), (18, 1214994640), (20, 1093495176), (24, 911245980), (30, 728996784), (32, 683434485), (36, 607497320), (40, 546747588), (45, 485997856), (48, 455622990), (60, 364498392), (72, 303748660), (80, 273373794), (90, 242998928), (96, 227811495), (120, 182249196), (144, 151874330), (160, 136686897), (180, 121499464), (240, 91124598), (288, 75937165), (349, 62664480), (360, 60749732), (480, 45562299), (698, 31332240), (720, 30374866), (1047, 20888160), (1396, 15666120), (1440, 15187433), (1745, 12532896), (2094, 10444080), (2792, 7833060), (3141, 6962720), (3490, 6266448), (4188, 5222040), (5235, 4177632), (5584, 3916530), (6282, 3481360), (6980, 3133224), (8376, 2611020), (10470, 2088816), (11168, 1958265), (12564, 1740680), (13960, 1566612), (15705, 1392544), (16752, 1305510), (20940, 1044408), (25128, 870340), (27920, 783306), (31410, 696272), (33504, 652755), (41880, 522204), (43517, 502560), (50256, 435170), (55840, 391653), (62820, 348136), (83760, 261102), (87034, 251280), (100512, 217585), (125640, 174068), (130551, 167520)]