209766780

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{463}}^1\times {\mathrm{839}}^1$

素因数の和:1320

約数の個数: 96

約数和(自身を含む): 654796800

約数和(自身を除く): 445030020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 463, 540, 839, 926, 1389, 1678, 1852, 2315, 2517, 2778, 3356, 4167, 4195, 4630, 5034, 5556, 6945, 7551, 8334, 8390, 9260, 10068, 12501, 12585, 13890, 15102, 16668, 16780, 20835, 22653, 25002, 25170, 27780, 30204, 37755, 41670, 45306, 50004, 50340, 62505, 75510, 83340, 90612, 113265, 125010, 151020, 226530, 250020, 388457, 453060, 776914, 1165371, 1553828, 1942285, 2330742, 3496113, 3884570, 4661484, 5826855, 6992226, 7769140, 10488339, 11653710, 13984452, 17480565, 20976678, 23307420, 34961130, 41953356, 52441695, 69922260, 104883390, 209766780]

約数ペア:

[(1, 209766780), (2, 104883390), (3, 69922260), (4, 52441695), (5, 41953356), (6, 34961130), (9, 23307420), (10, 20976678), (12, 17480565), (15, 13984452), (18, 11653710), (20, 10488339), (27, 7769140), (30, 6992226), (36, 5826855), (45, 4661484), (54, 3884570), (60, 3496113), (90, 2330742), (108, 1942285), (135, 1553828), (180, 1165371), (270, 776914), (463, 453060), (540, 388457), (839, 250020), (926, 226530), (1389, 151020), (1678, 125010), (1852, 113265), (2315, 90612), (2517, 83340), (2778, 75510), (3356, 62505), (4167, 50340), (4195, 50004), (4630, 45306), (5034, 41670), (5556, 37755), (6945, 30204), (7551, 27780), (8334, 25170), (8390, 25002), (9260, 22653), (10068, 20835), (12501, 16780), (12585, 16668), (13890, 15102)]