138895920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{379}}^1\times {\mathrm{509}}^1$

素因数の和:907

約数の個数: 120

約数和(自身を含む): 468608400

約数和(自身を除く): 329712480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 379, 509, 720, 758, 1018, 1137, 1516, 1527, 1895, 2036, 2274, 2545, 3032, 3054, 3411, 3790, 4072, 4548, 4581, 5090, 5685, 6064, 6108, 6822, 7580, 7635, 8144, 9096, 9162, 10180, 11370, 12216, 13644, 15160, 15270, 17055, 18192, 18324, 20360, 22740, 22905, 24432, 27288, 30320, 30540, 34110, 36648, 40720, 45480, 45810, 54576, 61080, 68220, 73296, 90960, 91620, 122160, 136440, 183240, 192911, 272880, 366480, 385822, 578733, 771644, 964555, 1157466, 1543288, 1736199, 1929110, 2314932, 2893665, 3086576, 3472398, 3858220, 4629864, 5787330, 6944796, 7716440, 8680995, 9259728, 11574660, 13889592, 15432880, 17361990, 23149320, 27779184, 34723980, 46298640, 69447960, 138895920]

約数ペア:

[(1, 138895920), (2, 69447960), (3, 46298640), (4, 34723980), (5, 27779184), (6, 23149320), (8, 17361990), (9, 15432880), (10, 13889592), (12, 11574660), (15, 9259728), (16, 8680995), (18, 7716440), (20, 6944796), (24, 5787330), (30, 4629864), (36, 3858220), (40, 3472398), (45, 3086576), (48, 2893665), (60, 2314932), (72, 1929110), (80, 1736199), (90, 1543288), (120, 1157466), (144, 964555), (180, 771644), (240, 578733), (360, 385822), (379, 366480), (509, 272880), (720, 192911), (758, 183240), (1018, 136440), (1137, 122160), (1516, 91620), (1527, 90960), (1895, 73296), (2036, 68220), (2274, 61080), (2545, 54576), (3032, 45810), (3054, 45480), (3411, 40720), (3790, 36648), (4072, 34110), (4548, 30540), (4581, 30320), (5090, 27288), (5685, 24432), (6064, 22905), (6108, 22740), (6822, 20360), (7580, 18324), (7635, 18192), (8144, 17055), (9096, 15270), (9162, 15160), (10180, 13644), (11370, 12216)]