209190240

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{20753}}^1$

素因数の和:20781

約数の個数: 144

約数和(自身を含む): 815881248

約数和(自身を除く): 606691008

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 20753, 41506, 62259, 83012, 103765, 124518, 145271, 166024, 186777, 207530, 249036, 290542, 311295, 332048, 373554, 415060, 435813, 498072, 581084, 622590, 664096, 726355, 747108, 830120, 871626, 933885, 996144, 1162168, 1245180, 1307439, 1452710, 1494216, 1660240, 1743252, 1867770, 1992288, 2179065, 2324336, 2490360, 2614878, 2905420, 2988432, 3320480, 3486504, 3735540, 4358130, 4648672, 4980720, 5229756, 5810840, 5976864, 6537195, 6973008, 7471080, 8716260, 9961440, 10459512, 11621680, 13074390, 13946016, 14942160, 17432520, 20919024, 23243360, 26148780, 29884320, 34865040, 41838048, 52297560, 69730080, 104595120, 209190240]

約数ペア:

[(1, 209190240), (2, 104595120), (3, 69730080), (4, 52297560), (5, 41838048), (6, 34865040), (7, 29884320), (8, 26148780), (9, 23243360), (10, 20919024), (12, 17432520), (14, 14942160), (15, 13946016), (16, 13074390), (18, 11621680), (20, 10459512), (21, 9961440), (24, 8716260), (28, 7471080), (30, 6973008), (32, 6537195), (35, 5976864), (36, 5810840), (40, 5229756), (42, 4980720), (45, 4648672), (48, 4358130), (56, 3735540), (60, 3486504), (63, 3320480), (70, 2988432), (72, 2905420), (80, 2614878), (84, 2490360), (90, 2324336), (96, 2179065), (105, 1992288), (112, 1867770), (120, 1743252), (126, 1660240), (140, 1494216), (144, 1452710), (160, 1307439), (168, 1245180), (180, 1162168), (210, 996144), (224, 933885), (240, 871626), (252, 830120), (280, 747108), (288, 726355), (315, 664096), (336, 622590), (360, 581084), (420, 498072), (480, 435813), (504, 415060), (560, 373554), (630, 332048), (672, 311295), (720, 290542), (840, 249036), (1008, 207530), (1120, 186777), (1260, 166024), (1440, 145271), (1680, 124518), (2016, 103765), (2520, 83012), (3360, 62259), (5040, 41506), (10080, 20753)]