128217480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{149}}^1$

素因数の和:335

約数の個数: 128

約数和(自身を含む): 396576000

約数和(自身を除く): 268358520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 101, 120, 142, 149, 202, 213, 284, 298, 303, 355, 404, 426, 447, 505, 568, 596, 606, 710, 745, 808, 852, 894, 1010, 1065, 1192, 1212, 1420, 1490, 1515, 1704, 1788, 2020, 2130, 2235, 2424, 2840, 2980, 3030, 3576, 4040, 4260, 4470, 5960, 6060, 7171, 8520, 8940, 10579, 12120, 14342, 15049, 17880, 21158, 21513, 28684, 30098, 31737, 35855, 42316, 43026, 45147, 52895, 57368, 60196, 63474, 71710, 75245, 84632, 86052, 90294, 105790, 107565, 120392, 126948, 143420, 150490, 158685, 172104, 180588, 211580, 215130, 225735, 253896, 286840, 300980, 317370, 361176, 423160, 430260, 451470, 601960, 634740, 860520, 902940, 1068479, 1269480, 1805880, 2136958, 3205437, 4273916, 5342395, 6410874, 8547832, 10684790, 12821748, 16027185, 21369580, 25643496, 32054370, 42739160, 64108740, 128217480]

約数ペア:

[(1, 128217480), (2, 64108740), (3, 42739160), (4, 32054370), (5, 25643496), (6, 21369580), (8, 16027185), (10, 12821748), (12, 10684790), (15, 8547832), (20, 6410874), (24, 5342395), (30, 4273916), (40, 3205437), (60, 2136958), (71, 1805880), (101, 1269480), (120, 1068479), (142, 902940), (149, 860520), (202, 634740), (213, 601960), (284, 451470), (298, 430260), (303, 423160), (355, 361176), (404, 317370), (426, 300980), (447, 286840), (505, 253896), (568, 225735), (596, 215130), (606, 211580), (710, 180588), (745, 172104), (808, 158685), (852, 150490), (894, 143420), (1010, 126948), (1065, 120392), (1192, 107565), (1212, 105790), (1420, 90294), (1490, 86052), (1515, 84632), (1704, 75245), (1788, 71710), (2020, 63474), (2130, 60196), (2235, 57368), (2424, 52895), (2840, 45147), (2980, 43026), (3030, 42316), (3576, 35855), (4040, 31737), (4260, 30098), (4470, 28684), (5960, 21513), (6060, 21158), (7171, 17880), (8520, 15049), (8940, 14342), (10579, 12120)]