210916720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{461}}^1$

素因数の和:543

約数の個数: 160

約数和(自身を含む): 604961280

約数和(自身を除く): 394044560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 43, 56, 70, 76, 80, 86, 95, 112, 133, 140, 152, 172, 190, 215, 266, 280, 301, 304, 344, 380, 430, 461, 532, 560, 602, 665, 688, 760, 817, 860, 922, 1064, 1204, 1330, 1505, 1520, 1634, 1720, 1844, 2128, 2305, 2408, 2660, 3010, 3227, 3268, 3440, 3688, 4085, 4610, 4816, 5320, 5719, 6020, 6454, 6536, 7376, 8170, 8759, 9220, 10640, 11438, 12040, 12908, 13072, 16135, 16340, 17518, 18440, 19823, 22876, 24080, 25816, 28595, 32270, 32680, 35036, 36880, 39646, 43795, 45752, 51632, 57190, 61313, 64540, 65360, 70072, 79292, 87590, 91504, 99115, 114380, 122626, 129080, 138761, 140144, 158584, 175180, 198230, 228760, 245252, 258160, 277522, 306565, 317168, 350360, 376637, 396460, 457520, 490504, 555044, 613130, 693805, 700720, 753274, 792920, 981008, 1110088, 1226260, 1387610, 1506548, 1585840, 1883185, 2220176, 2452520, 2636459, 2775220, 3013096, 3766370, 4905040, 5272918, 5550440, 6026192, 7532740, 10545836, 11100880, 13182295, 15065480, 21091672, 26364590, 30130960, 42183344, 52729180, 105458360, 210916720]

約数ペア:

[(1, 210916720), (2, 105458360), (4, 52729180), (5, 42183344), (7, 30130960), (8, 26364590), (10, 21091672), (14, 15065480), (16, 13182295), (19, 11100880), (20, 10545836), (28, 7532740), (35, 6026192), (38, 5550440), (40, 5272918), (43, 4905040), (56, 3766370), (70, 3013096), (76, 2775220), (80, 2636459), (86, 2452520), (95, 2220176), (112, 1883185), (133, 1585840), (140, 1506548), (152, 1387610), (172, 1226260), (190, 1110088), (215, 981008), (266, 792920), (280, 753274), (301, 700720), (304, 693805), (344, 613130), (380, 555044), (430, 490504), (461, 457520), (532, 396460), (560, 376637), (602, 350360), (665, 317168), (688, 306565), (760, 277522), (817, 258160), (860, 245252), (922, 228760), (1064, 198230), (1204, 175180), (1330, 158584), (1505, 140144), (1520, 138761), (1634, 129080), (1720, 122626), (1844, 114380), (2128, 99115), (2305, 91504), (2408, 87590), (2660, 79292), (3010, 70072), (3227, 65360), (3268, 64540), (3440, 61313), (3688, 57190), (4085, 51632), (4610, 45752), (4816, 43795), (5320, 39646), (5719, 36880), (6020, 35036), (6454, 32680), (6536, 32270), (7376, 28595), (8170, 25816), (8759, 24080), (9220, 22876), (10640, 19823), (11438, 18440), (12040, 17518), (12908, 16340), (13072, 16135)]