209991960

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1531}}^1$

素因数の和:1678

約数の個数: 128

約数和(自身を含む): 705945600

約数和(自身を除く): 495953640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 127, 135, 180, 216, 254, 270, 360, 381, 508, 540, 635, 762, 1016, 1080, 1143, 1270, 1524, 1531, 1905, 2286, 2540, 3048, 3062, 3429, 3810, 4572, 4593, 5080, 5715, 6124, 6858, 7620, 7655, 9144, 9186, 11430, 12248, 13716, 13779, 15240, 15310, 17145, 18372, 22860, 22965, 27432, 27558, 30620, 34290, 36744, 41337, 45720, 45930, 55116, 61240, 68580, 68895, 82674, 91860, 110232, 137160, 137790, 165348, 183720, 194437, 206685, 275580, 330696, 388874, 413370, 551160, 583311, 777748, 826740, 972185, 1166622, 1555496, 1653480, 1749933, 1944370, 2333244, 2916555, 3499866, 3888740, 4666488, 5249799, 5833110, 6999732, 7777480, 8749665, 10499598, 11666220, 13999464, 17499330, 20999196, 23332440, 26248995, 34998660, 41998392, 52497990, 69997320, 104995980, 209991960]

約数ペア:

[(1, 209991960), (2, 104995980), (3, 69997320), (4, 52497990), (5, 41998392), (6, 34998660), (8, 26248995), (9, 23332440), (10, 20999196), (12, 17499330), (15, 13999464), (18, 11666220), (20, 10499598), (24, 8749665), (27, 7777480), (30, 6999732), (36, 5833110), (40, 5249799), (45, 4666488), (54, 3888740), (60, 3499866), (72, 2916555), (90, 2333244), (108, 1944370), (120, 1749933), (127, 1653480), (135, 1555496), (180, 1166622), (216, 972185), (254, 826740), (270, 777748), (360, 583311), (381, 551160), (508, 413370), (540, 388874), (635, 330696), (762, 275580), (1016, 206685), (1080, 194437), (1143, 183720), (1270, 165348), (1524, 137790), (1531, 137160), (1905, 110232), (2286, 91860), (2540, 82674), (3048, 68895), (3062, 68580), (3429, 61240), (3810, 55116), (4572, 45930), (4593, 45720), (5080, 41337), (5715, 36744), (6124, 34290), (6858, 30620), (7620, 27558), (7655, 27432), (9144, 22965), (9186, 22860), (11430, 18372), (12248, 17145), (13716, 15310), (13779, 15240)]