15666130840

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{449}}^1\times {\mathrm{6367}}^1$

素因数の和:6964

約数の個数: 64

約数和(自身を含む): 35590752000

約数和(自身を除く): 19924621160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 449, 548, 685, 898, 1096, 1370, 1796, 2245, 2740, 3592, 4490, 5480, 6367, 8980, 12734, 17960, 25468, 31835, 50936, 61513, 63670, 123026, 127340, 246052, 254680, 307565, 492104, 615130, 872279, 1230260, 1744558, 2460520, 2858783, 3489116, 4361395, 5717566, 6978232, 8722790, 11435132, 14293915, 17445580, 22870264, 28587830, 34891160, 57175660, 114351320, 391653271, 783306542, 1566613084, 1958266355, 3133226168, 3916532710, 7833065420, 15666130840]

約数ペア:

[(1, 15666130840), (2, 7833065420), (4, 3916532710), (5, 3133226168), (8, 1958266355), (10, 1566613084), (20, 783306542), (40, 391653271), (137, 114351320), (274, 57175660), (449, 34891160), (548, 28587830), (685, 22870264), (898, 17445580), (1096, 14293915), (1370, 11435132), (1796, 8722790), (2245, 6978232), (2740, 5717566), (3592, 4361395), (4490, 3489116), (5480, 2858783), (6367, 2460520), (8980, 1744558), (12734, 1230260), (17960, 872279), (25468, 615130), (31835, 492104), (50936, 307565), (61513, 254680), (63670, 246052), (123026, 127340)]