81223560

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:130

約数の個数: 320

約数和(自身を含む): 310495680

約数和(自身を除く): 229272120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 27, 30, 33, 36, 40, 43, 44, 45, 53, 54, 55, 60, 66, 72, 81, 86, 88, 90, 99, 106, 108, 110, 120, 129, 132, 135, 159, 162, 165, 172, 180, 198, 212, 215, 216, 220, 258, 264, 265, 270, 297, 318, 324, 330, 344, 360, 387, 396, 405, 424, 430, 440, 473, 477, 495, 516, 530, 540, 583, 594, 636, 645, 648, 660, 774, 792, 795, 810, 860, 891, 946, 954, 990, 1032, 1060, 1080, 1161, 1166, 1188, 1272, 1290, 1320, 1419, 1431, 1485, 1548, 1590, 1620, 1720, 1749, 1782, 1892, 1908, 1935, 1980, 2120, 2279, 2322, 2332, 2365, 2376, 2385, 2580, 2838, 2862, 2915, 2970, 3096, 3180, 3240, 3483, 3498, 3564, 3784, 3816, 3870, 3960, 4257, 4293, 4455, 4558, 4644, 4664, 4730, 4770, 5160, 5247, 5676, 5724, 5805, 5830, 5940, 6360, 6837, 6966, 6996, 7095, 7128, 7155, 7740, 8514, 8586, 8745, 8910, 9116, 9288, 9460, 9540, 10494, 11352, 11395, 11448, 11610, 11660, 11880, 12771, 13674, 13932, 13992, 14190, 14310, 15480, 15741, 17028, 17172, 17415, 17490, 17820, 18232, 18920, 19080, 20511, 20988, 21285, 21465, 22790, 23220, 23320, 25069, 25542, 26235, 27348, 27864, 28380, 28620, 31482, 34056, 34185, 34344, 34830, 34980, 35640, 38313, 41022, 41976, 42570, 42930, 45580, 46440, 47223, 50138, 51084, 52470, 54696, 56760, 57240, 61533, 62964, 63855, 68370, 69660, 69960, 75207, 76626, 78705, 82044, 85140, 85860, 91160, 94446, 100276, 102168, 102555, 104940, 123066, 125345, 125928, 127710, 136740, 139320, 150414, 153252, 157410, 164088, 170280, 171720, 184599, 188892, 191565, 200552, 205110, 209880, 225621, 236115, 246132, 250690, 255420, 273480, 300828, 306504, 307665, 314820, 369198, 376035, 377784, 383130, 410220, 451242, 472230, 492264, 501380, 510840, 601656, 615330, 629640, 676863, 738396, 752070, 766260, 820440, 902484, 922995, 944460, 1002760, 1128105, 1230660, 1353726, 1476792, 1504140, 1532520, 1804968, 1845990, 1888920, 2030589, 2256210, 2461320, 2707452, 3008280, 3384315, 3691980, 4061178, 4512420, 5414904, 6768630, 7383960, 8122356, 9024840, 10152945, 13537260, 16244712, 20305890, 27074520, 40611780, 81223560]

約数ペア:

[(1, 81223560), (2, 40611780), (3, 27074520), (4, 20305890), (5, 16244712), (6, 13537260), (8, 10152945), (9, 9024840), (10, 8122356), (11, 7383960), (12, 6768630), (15, 5414904), (18, 4512420), (20, 4061178), (22, 3691980), (24, 3384315), (27, 3008280), (30, 2707452), (33, 2461320), (36, 2256210), (40, 2030589), (43, 1888920), (44, 1845990), (45, 1804968), (53, 1532520), (54, 1504140), (55, 1476792), (60, 1353726), (66, 1230660), (72, 1128105), (81, 1002760), (86, 944460), (88, 922995), (90, 902484), (99, 820440), (106, 766260), (108, 752070), (110, 738396), (120, 676863), (129, 629640), (132, 615330), (135, 601656), (159, 510840), (162, 501380), (165, 492264), (172, 472230), (180, 451242), (198, 410220), (212, 383130), (215, 377784), (216, 376035), (220, 369198), (258, 314820), (264, 307665), (265, 306504), (270, 300828), (297, 273480), (318, 255420), (324, 250690), (330, 246132), (344, 236115), (360, 225621), (387, 209880), (396, 205110), (405, 200552), (424, 191565), (430, 188892), (440, 184599), (473, 171720), (477, 170280), (495, 164088), (516, 157410), (530, 153252), (540, 150414), (583, 139320), (594, 136740), (636, 127710), (645, 125928), (648, 125345), (660, 123066), (774, 104940), (792, 102555), (795, 102168), (810, 100276), (860, 94446), (891, 91160), (946, 85860), (954, 85140), (990, 82044), (1032, 78705), (1060, 76626), (1080, 75207), (1161, 69960), (1166, 69660), (1188, 68370), (1272, 63855), (1290, 62964), (1320, 61533), (1419, 57240), (1431, 56760), (1485, 54696), (1548, 52470), (1590, 51084), (1620, 50138), (1720, 47223), (1749, 46440), (1782, 45580), (1892, 42930), (1908, 42570), (1935, 41976), (1980, 41022), (2120, 38313), (2279, 35640), (2322, 34980), (2332, 34830), (2365, 34344), (2376, 34185), (2385, 34056), (2580, 31482), (2838, 28620), (2862, 28380), (2915, 27864), (2970, 27348), (3096, 26235), (3180, 25542), (3240, 25069), (3483, 23320), (3498, 23220), (3564, 22790), (3784, 21465), (3816, 21285), (3870, 20988), (3960, 20511), (4257, 19080), (4293, 18920), (4455, 18232), (4558, 17820), (4644, 17490), (4664, 17415), (4730, 17172), (4770, 17028), (5160, 15741), (5247, 15480), (5676, 14310), (5724, 14190), (5805, 13992), (5830, 13932), (5940, 13674), (6360, 12771), (6837, 11880), (6966, 11660), (6996, 11610), (7095, 11448), (7128, 11395), (7155, 11352), (7740, 10494), (8514, 9540), (8586, 9460), (8745, 9288), (8910, 9116)]