64863960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{2087}}^1$

素因数の和:2145

約数の個数: 128

約数和(自身を含む): 228510720

約数和(自身を除く): 163646760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 37, 40, 42, 56, 60, 70, 74, 84, 105, 111, 120, 140, 148, 168, 185, 210, 222, 259, 280, 296, 370, 420, 444, 518, 555, 740, 777, 840, 888, 1036, 1110, 1295, 1480, 1554, 2072, 2087, 2220, 2590, 3108, 3885, 4174, 4440, 5180, 6216, 6261, 7770, 8348, 10360, 10435, 12522, 14609, 15540, 16696, 20870, 25044, 29218, 31080, 31305, 41740, 43827, 50088, 58436, 62610, 73045, 77219, 83480, 87654, 116872, 125220, 146090, 154438, 175308, 219135, 231657, 250440, 292180, 308876, 350616, 386095, 438270, 463314, 540533, 584360, 617752, 772190, 876540, 926628, 1081066, 1158285, 1544380, 1621599, 1753080, 1853256, 2162132, 2316570, 2702665, 3088760, 3243198, 4324264, 4633140, 5405330, 6486396, 8107995, 9266280, 10810660, 12972792, 16215990, 21621320, 32431980, 64863960]

約数ペア:

[(1, 64863960), (2, 32431980), (3, 21621320), (4, 16215990), (5, 12972792), (6, 10810660), (7, 9266280), (8, 8107995), (10, 6486396), (12, 5405330), (14, 4633140), (15, 4324264), (20, 3243198), (21, 3088760), (24, 2702665), (28, 2316570), (30, 2162132), (35, 1853256), (37, 1753080), (40, 1621599), (42, 1544380), (56, 1158285), (60, 1081066), (70, 926628), (74, 876540), (84, 772190), (105, 617752), (111, 584360), (120, 540533), (140, 463314), (148, 438270), (168, 386095), (185, 350616), (210, 308876), (222, 292180), (259, 250440), (280, 231657), (296, 219135), (370, 175308), (420, 154438), (444, 146090), (518, 125220), (555, 116872), (740, 87654), (777, 83480), (840, 77219), (888, 73045), (1036, 62610), (1110, 58436), (1295, 50088), (1480, 43827), (1554, 41740), (2072, 31305), (2087, 31080), (2220, 29218), (2590, 25044), (3108, 20870), (3885, 16696), (4174, 15540), (4440, 14609), (5180, 12522), (6216, 10435), (6261, 10360), (7770, 8348)]