217019520

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{661}}^1$

素因数の和:708

約数の個数: 256

約数和(自身を含む): 810288000

約数和(自身を除く): 593268480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 45, 48, 54, 57, 60, 64, 72, 76, 80, 90, 95, 96, 108, 114, 120, 128, 135, 144, 152, 160, 171, 180, 190, 192, 216, 228, 240, 270, 285, 288, 304, 320, 342, 360, 380, 384, 432, 456, 480, 513, 540, 570, 576, 608, 640, 661, 684, 720, 760, 855, 864, 912, 960, 1026, 1080, 1140, 1152, 1216, 1322, 1368, 1440, 1520, 1710, 1728, 1824, 1920, 1983, 2052, 2160, 2280, 2432, 2565, 2644, 2736, 2880, 3040, 3305, 3420, 3456, 3648, 3966, 4104, 4320, 4560, 5130, 5288, 5472, 5760, 5949, 6080, 6610, 6840, 7296, 7932, 8208, 8640, 9120, 9915, 10260, 10576, 10944, 11898, 12160, 12559, 13220, 13680, 15864, 16416, 17280, 17847, 18240, 19830, 20520, 21152, 21888, 23796, 25118, 26440, 27360, 29745, 31728, 32832, 35694, 36480, 37677, 39660, 41040, 42304, 47592, 50236, 52880, 54720, 59490, 62795, 63456, 65664, 71388, 75354, 79320, 82080, 84608, 89235, 95184, 100472, 105760, 109440, 113031, 118980, 125590, 126912, 142776, 150708, 158640, 164160, 178470, 188385, 190368, 200944, 211520, 226062, 237960, 251180, 253824, 285552, 301416, 317280, 328320, 339093, 356940, 376770, 380736, 401888, 423040, 452124, 475920, 502360, 565155, 571104, 602832, 634560, 678186, 713880, 753540, 761472, 803776, 904248, 951840, 1004720, 1130310, 1142208, 1205664, 1269120, 1356372, 1427760, 1507080, 1607552, 1695465, 1808496, 1903680, 2009440, 2260620, 2284416, 2411328, 2712744, 2855520, 3014160, 3390930, 3616992, 3807360, 4018880, 4521240, 4822656, 5425488, 5711040, 6028320, 6781860, 7233984, 8037760, 9042480, 10850976, 11422080, 12056640, 13563720, 14467968, 18084960, 21701952, 24113280, 27127440, 36169920, 43403904, 54254880, 72339840, 108509760, 217019520]

約数ペア:

[(1, 217019520), (2, 108509760), (3, 72339840), (4, 54254880), (5, 43403904), (6, 36169920), (8, 27127440), (9, 24113280), (10, 21701952), (12, 18084960), (15, 14467968), (16, 13563720), (18, 12056640), (19, 11422080), (20, 10850976), (24, 9042480), (27, 8037760), (30, 7233984), (32, 6781860), (36, 6028320), (38, 5711040), (40, 5425488), (45, 4822656), (48, 4521240), (54, 4018880), (57, 3807360), (60, 3616992), (64, 3390930), (72, 3014160), (76, 2855520), (80, 2712744), (90, 2411328), (95, 2284416), (96, 2260620), (108, 2009440), (114, 1903680), (120, 1808496), (128, 1695465), (135, 1607552), (144, 1507080), (152, 1427760), (160, 1356372), (171, 1269120), (180, 1205664), (190, 1142208), (192, 1130310), (216, 1004720), (228, 951840), (240, 904248), (270, 803776), (285, 761472), (288, 753540), (304, 713880), (320, 678186), (342, 634560), (360, 602832), (380, 571104), (384, 565155), (432, 502360), (456, 475920), (480, 452124), (513, 423040), (540, 401888), (570, 380736), (576, 376770), (608, 356940), (640, 339093), (661, 328320), (684, 317280), (720, 301416), (760, 285552), (855, 253824), (864, 251180), (912, 237960), (960, 226062), (1026, 211520), (1080, 200944), (1140, 190368), (1152, 188385), (1216, 178470), (1322, 164160), (1368, 158640), (1440, 150708), (1520, 142776), (1710, 126912), (1728, 125590), (1824, 118980), (1920, 113031), (1983, 109440), (2052, 105760), (2160, 100472), (2280, 95184), (2432, 89235), (2565, 84608), (2644, 82080), (2736, 79320), (2880, 75354), (3040, 71388), (3305, 65664), (3420, 63456), (3456, 62795), (3648, 59490), (3966, 54720), (4104, 52880), (4320, 50236), (4560, 47592), (5130, 42304), (5288, 41040), (5472, 39660), (5760, 37677), (5949, 36480), (6080, 35694), (6610, 32832), (6840, 31728), (7296, 29745), (7932, 27360), (8208, 26440), (8640, 25118), (9120, 23796), (9915, 21888), (10260, 21152), (10576, 20520), (10944, 19830), (11898, 18240), (12160, 17847), (12559, 17280), (13220, 16416), (13680, 15864)]