51530940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{353}}^1\times {\mathrm{811}}^1$

素因数の和:1179

約数の個数: 72

約数和(自身を含む): 156946608

約数和(自身を除く): 105415668

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 353, 706, 811, 1059, 1412, 1622, 1765, 2118, 2433, 3177, 3244, 3530, 4055, 4236, 4866, 5295, 6354, 7060, 7299, 8110, 9732, 10590, 12165, 12708, 14598, 15885, 16220, 21180, 24330, 29196, 31770, 36495, 48660, 63540, 72990, 145980, 286283, 572566, 858849, 1145132, 1431415, 1717698, 2576547, 2862830, 3435396, 4294245, 5153094, 5725660, 8588490, 10306188, 12882735, 17176980, 25765470, 51530940]

約数ペア:

[(1, 51530940), (2, 25765470), (3, 17176980), (4, 12882735), (5, 10306188), (6, 8588490), (9, 5725660), (10, 5153094), (12, 4294245), (15, 3435396), (18, 2862830), (20, 2576547), (30, 1717698), (36, 1431415), (45, 1145132), (60, 858849), (90, 572566), (180, 286283), (353, 145980), (706, 72990), (811, 63540), (1059, 48660), (1412, 36495), (1622, 31770), (1765, 29196), (2118, 24330), (2433, 21180), (3177, 16220), (3244, 15885), (3530, 14598), (4055, 12708), (4236, 12165), (4866, 10590), (5295, 9732), (6354, 8110), (7060, 7299)]