15387120

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:140

約数の個数: 240

約数和(自身を含む): 61281792

約数和(自身を除く): 45894672

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 43, 45, 48, 56, 60, 63, 70, 71, 72, 80, 84, 86, 90, 105, 112, 120, 126, 129, 140, 142, 144, 168, 172, 180, 210, 213, 215, 240, 252, 258, 280, 284, 301, 315, 336, 344, 355, 360, 387, 420, 426, 430, 497, 504, 516, 560, 568, 602, 630, 639, 645, 688, 710, 720, 774, 840, 852, 860, 903, 994, 1008, 1032, 1065, 1136, 1204, 1260, 1278, 1290, 1420, 1491, 1505, 1548, 1680, 1704, 1720, 1806, 1935, 1988, 2064, 2130, 2408, 2485, 2520, 2556, 2580, 2709, 2840, 2982, 3010, 3053, 3096, 3195, 3408, 3440, 3612, 3870, 3976, 4260, 4473, 4515, 4816, 4970, 5040, 5112, 5160, 5418, 5680, 5964, 6020, 6106, 6192, 6390, 7224, 7455, 7740, 7952, 8520, 8946, 9030, 9159, 9940, 10224, 10320, 10836, 11928, 12040, 12212, 12780, 13545, 14448, 14910, 15265, 15480, 17040, 17892, 18060, 18318, 19880, 21371, 21672, 22365, 23856, 24080, 24424, 25560, 27090, 27477, 29820, 30530, 30960, 35784, 36120, 36636, 39760, 42742, 43344, 44730, 45795, 48848, 51120, 54180, 54954, 59640, 61060, 64113, 71568, 72240, 73272, 85484, 89460, 91590, 106855, 108360, 109908, 119280, 122120, 128226, 137385, 146544, 170968, 178920, 183180, 192339, 213710, 216720, 219816, 244240, 256452, 274770, 320565, 341936, 357840, 366360, 384678, 427420, 439632, 512904, 549540, 641130, 732720, 769356, 854840, 961695, 1025808, 1099080, 1282260, 1538712, 1709680, 1923390, 2198160, 2564520, 3077424, 3846780, 5129040, 7693560, 15387120]

約数ペア:

[(1, 15387120), (2, 7693560), (3, 5129040), (4, 3846780), (5, 3077424), (6, 2564520), (7, 2198160), (8, 1923390), (9, 1709680), (10, 1538712), (12, 1282260), (14, 1099080), (15, 1025808), (16, 961695), (18, 854840), (20, 769356), (21, 732720), (24, 641130), (28, 549540), (30, 512904), (35, 439632), (36, 427420), (40, 384678), (42, 366360), (43, 357840), (45, 341936), (48, 320565), (56, 274770), (60, 256452), (63, 244240), (70, 219816), (71, 216720), (72, 213710), (80, 192339), (84, 183180), (86, 178920), (90, 170968), (105, 146544), (112, 137385), (120, 128226), (126, 122120), (129, 119280), (140, 109908), (142, 108360), (144, 106855), (168, 91590), (172, 89460), (180, 85484), (210, 73272), (213, 72240), (215, 71568), (240, 64113), (252, 61060), (258, 59640), (280, 54954), (284, 54180), (301, 51120), (315, 48848), (336, 45795), (344, 44730), (355, 43344), (360, 42742), (387, 39760), (420, 36636), (426, 36120), (430, 35784), (497, 30960), (504, 30530), (516, 29820), (560, 27477), (568, 27090), (602, 25560), (630, 24424), (639, 24080), (645, 23856), (688, 22365), (710, 21672), (720, 21371), (774, 19880), (840, 18318), (852, 18060), (860, 17892), (903, 17040), (994, 15480), (1008, 15265), (1032, 14910), (1065, 14448), (1136, 13545), (1204, 12780), (1260, 12212), (1278, 12040), (1290, 11928), (1420, 10836), (1491, 10320), (1505, 10224), (1548, 9940), (1680, 9159), (1704, 9030), (1720, 8946), (1806, 8520), (1935, 7952), (1988, 7740), (2064, 7455), (2130, 7224), (2408, 6390), (2485, 6192), (2520, 6106), (2556, 6020), (2580, 5964), (2709, 5680), (2840, 5418), (2982, 5160), (3010, 5112), (3053, 5040), (3096, 4970), (3195, 4816), (3408, 4515), (3440, 4473), (3612, 4260), (3870, 3976)]