2809128240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{991}}^1$

素因数の和:1168

約数の個数: 240

約数和(自身を含む): 9824894976

約数和(自身を除く): 7015766736

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 120, 124, 127, 144, 155, 180, 186, 240, 248, 254, 279, 310, 360, 372, 381, 465, 496, 508, 558, 620, 635, 720, 744, 762, 930, 991, 1016, 1116, 1143, 1240, 1270, 1395, 1488, 1524, 1860, 1905, 1982, 2032, 2232, 2286, 2480, 2540, 2790, 2973, 3048, 3720, 3810, 3937, 3964, 4464, 4572, 4955, 5080, 5580, 5715, 5946, 6096, 7440, 7620, 7874, 7928, 8919, 9144, 9910, 10160, 11160, 11430, 11811, 11892, 14865, 15240, 15748, 15856, 17838, 18288, 19685, 19820, 22320, 22860, 23622, 23784, 29730, 30480, 30721, 31496, 35433, 35676, 39370, 39640, 44595, 45720, 47244, 47568, 59055, 59460, 61442, 62992, 70866, 71352, 78740, 79280, 89190, 91440, 92163, 94488, 118110, 118920, 122884, 125857, 141732, 142704, 153605, 157480, 177165, 178380, 184326, 188976, 236220, 237840, 245768, 251714, 276489, 283464, 307210, 314960, 354330, 356760, 368652, 377571, 460815, 472440, 491536, 503428, 552978, 566928, 614420, 629285, 708660, 713520, 737304, 755142, 921630, 944880, 1006856, 1105956, 1132713, 1228840, 1258570, 1382445, 1417320, 1474608, 1510284, 1843260, 1887855, 2013712, 2211912, 2265426, 2457680, 2517140, 2764890, 2834640, 3020568, 3686520, 3775710, 3901567, 4423824, 4530852, 5034280, 5529780, 5663565, 6041136, 7373040, 7551420, 7803134, 9061704, 10068560, 11059560, 11327130, 11704701, 15102840, 15606268, 18123408, 19507835, 22119120, 22654260, 23409402, 30205680, 31212536, 35114103, 39015670, 45308520, 46818804, 58523505, 62425072, 70228206, 78031340, 90617040, 93637608, 117047010, 140456412, 156062680, 175570515, 187275216, 234094020, 280912824, 312125360, 351141030, 468188040, 561825648, 702282060, 936376080, 1404564120, 2809128240]

約数ペア:

[(1, 2809128240), (2, 1404564120), (3, 936376080), (4, 702282060), (5, 561825648), (6, 468188040), (8, 351141030), (9, 312125360), (10, 280912824), (12, 234094020), (15, 187275216), (16, 175570515), (18, 156062680), (20, 140456412), (24, 117047010), (30, 93637608), (31, 90617040), (36, 78031340), (40, 70228206), (45, 62425072), (48, 58523505), (60, 46818804), (62, 45308520), (72, 39015670), (80, 35114103), (90, 31212536), (93, 30205680), (120, 23409402), (124, 22654260), (127, 22119120), (144, 19507835), (155, 18123408), (180, 15606268), (186, 15102840), (240, 11704701), (248, 11327130), (254, 11059560), (279, 10068560), (310, 9061704), (360, 7803134), (372, 7551420), (381, 7373040), (465, 6041136), (496, 5663565), (508, 5529780), (558, 5034280), (620, 4530852), (635, 4423824), (720, 3901567), (744, 3775710), (762, 3686520), (930, 3020568), (991, 2834640), (1016, 2764890), (1116, 2517140), (1143, 2457680), (1240, 2265426), (1270, 2211912), (1395, 2013712), (1488, 1887855), (1524, 1843260), (1860, 1510284), (1905, 1474608), (1982, 1417320), (2032, 1382445), (2232, 1258570), (2286, 1228840), (2480, 1132713), (2540, 1105956), (2790, 1006856), (2973, 944880), (3048, 921630), (3720, 755142), (3810, 737304), (3937, 713520), (3964, 708660), (4464, 629285), (4572, 614420), (4955, 566928), (5080, 552978), (5580, 503428), (5715, 491536), (5946, 472440), (6096, 460815), (7440, 377571), (7620, 368652), (7874, 356760), (7928, 354330), (8919, 314960), (9144, 307210), (9910, 283464), (10160, 276489), (11160, 251714), (11430, 245768), (11811, 237840), (11892, 236220), (14865, 188976), (15240, 184326), (15748, 178380), (15856, 177165), (17838, 157480), (18288, 153605), (19685, 142704), (19820, 141732), (22320, 125857), (22860, 122884), (23622, 118920), (23784, 118110), (29730, 94488), (30480, 92163), (30721, 91440), (31496, 89190), (35433, 79280), (35676, 78740), (39370, 71352), (39640, 70866), (44595, 62992), (45720, 61442), (47244, 59460), (47568, 59055)]