209343960

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{27691}}^1$

素因数の和:27718

約数の個数: 128

約数和(自身を含む): 797529600

約数和(自身を除く): 588185640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 3780, 7560, 27691, 55382, 83073, 110764, 138455, 166146, 193837, 221528, 249219, 276910, 332292, 387674, 415365, 498438, 553820, 581511, 664584, 747657, 775348, 830730, 969185, 996876, 1107640, 1163022, 1246095, 1495314, 1550696, 1661460, 1744533, 1938370, 1993752, 2326044, 2492190, 2907555, 2990628, 3322920, 3489066, 3738285, 3876740, 4652088, 4984380, 5233599, 5815110, 5981256, 6978132, 7476570, 7753480, 8722665, 9968760, 10467198, 11630220, 13956264, 14953140, 17445330, 20934396, 23260440, 26167995, 29906280, 34890660, 41868792, 52335990, 69781320, 104671980, 209343960]

約数ペア:

[(1, 209343960), (2, 104671980), (3, 69781320), (4, 52335990), (5, 41868792), (6, 34890660), (7, 29906280), (8, 26167995), (9, 23260440), (10, 20934396), (12, 17445330), (14, 14953140), (15, 13956264), (18, 11630220), (20, 10467198), (21, 9968760), (24, 8722665), (27, 7753480), (28, 7476570), (30, 6978132), (35, 5981256), (36, 5815110), (40, 5233599), (42, 4984380), (45, 4652088), (54, 3876740), (56, 3738285), (60, 3489066), (63, 3322920), (70, 2990628), (72, 2907555), (84, 2492190), (90, 2326044), (105, 1993752), (108, 1938370), (120, 1744533), (126, 1661460), (135, 1550696), (140, 1495314), (168, 1246095), (180, 1163022), (189, 1107640), (210, 996876), (216, 969185), (252, 830730), (270, 775348), (280, 747657), (315, 664584), (360, 581511), (378, 553820), (420, 498438), (504, 415365), (540, 387674), (630, 332292), (756, 276910), (840, 249219), (945, 221528), (1080, 193837), (1260, 166146), (1512, 138455), (1890, 110764), (2520, 83073), (3780, 55382), (7560, 27691)]