51641280

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:208

約数の個数: 224

約数和(自身を含む): 187756800

約数和(自身を除く): 136115520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 43, 45, 48, 54, 60, 64, 72, 80, 86, 90, 96, 108, 120, 129, 135, 139, 144, 160, 172, 180, 192, 215, 216, 240, 258, 270, 278, 288, 320, 344, 360, 387, 417, 430, 432, 480, 516, 540, 556, 576, 645, 688, 695, 720, 774, 834, 860, 864, 960, 1032, 1080, 1112, 1161, 1251, 1290, 1376, 1390, 1440, 1548, 1668, 1720, 1728, 1935, 2064, 2085, 2160, 2224, 2322, 2502, 2580, 2752, 2780, 2880, 3096, 3336, 3440, 3753, 3870, 4128, 4170, 4320, 4448, 4644, 5004, 5160, 5560, 5805, 5977, 6192, 6255, 6672, 6880, 7506, 7740, 8256, 8340, 8640, 8896, 9288, 10008, 10320, 11120, 11610, 11954, 12384, 12510, 13344, 13760, 15012, 15480, 16680, 17931, 18576, 18765, 20016, 20640, 22240, 23220, 23908, 24768, 25020, 26688, 29885, 30024, 30960, 33360, 35862, 37152, 37530, 40032, 41280, 44480, 46440, 47816, 50040, 53793, 59770, 60048, 61920, 66720, 71724, 74304, 75060, 80064, 89655, 92880, 95632, 100080, 107586, 119540, 120096, 123840, 133440, 143448, 150120, 161379, 179310, 185760, 191264, 200160, 215172, 239080, 240192, 268965, 286896, 300240, 322758, 358620, 371520, 382528, 400320, 430344, 478160, 537930, 573792, 600480, 645516, 717240, 806895, 860688, 956320, 1075860, 1147584, 1200960, 1291032, 1434480, 1613790, 1721376, 1912640, 2151720, 2582064, 2868960, 3227580, 3442752, 4303440, 5164128, 5737920, 6455160, 8606880, 10328256, 12910320, 17213760, 25820640, 51641280]

約数ペア:

[(1, 51641280), (2, 25820640), (3, 17213760), (4, 12910320), (5, 10328256), (6, 8606880), (8, 6455160), (9, 5737920), (10, 5164128), (12, 4303440), (15, 3442752), (16, 3227580), (18, 2868960), (20, 2582064), (24, 2151720), (27, 1912640), (30, 1721376), (32, 1613790), (36, 1434480), (40, 1291032), (43, 1200960), (45, 1147584), (48, 1075860), (54, 956320), (60, 860688), (64, 806895), (72, 717240), (80, 645516), (86, 600480), (90, 573792), (96, 537930), (108, 478160), (120, 430344), (129, 400320), (135, 382528), (139, 371520), (144, 358620), (160, 322758), (172, 300240), (180, 286896), (192, 268965), (215, 240192), (216, 239080), (240, 215172), (258, 200160), (270, 191264), (278, 185760), (288, 179310), (320, 161379), (344, 150120), (360, 143448), (387, 133440), (417, 123840), (430, 120096), (432, 119540), (480, 107586), (516, 100080), (540, 95632), (556, 92880), (576, 89655), (645, 80064), (688, 75060), (695, 74304), (720, 71724), (774, 66720), (834, 61920), (860, 60048), (864, 59770), (960, 53793), (1032, 50040), (1080, 47816), (1112, 46440), (1161, 44480), (1251, 41280), (1290, 40032), (1376, 37530), (1390, 37152), (1440, 35862), (1548, 33360), (1668, 30960), (1720, 30024), (1728, 29885), (1935, 26688), (2064, 25020), (2085, 24768), (2160, 23908), (2224, 23220), (2322, 22240), (2502, 20640), (2580, 20016), (2752, 18765), (2780, 18576), (2880, 17931), (3096, 16680), (3336, 15480), (3440, 15012), (3753, 13760), (3870, 13344), (4128, 12510), (4170, 12384), (4320, 11954), (4448, 11610), (4644, 11120), (5004, 10320), (5160, 10008), (5560, 9288), (5805, 8896), (5977, 8640), (6192, 8340), (6255, 8256), (6672, 7740), (6880, 7506)]