315731520

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{937}}^1$

素因数の和:979

約数の個数: 280

約数和(自身を含む): 1210796664

約数和(自身を除く): 895065144

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 45, 48, 52, 54, 60, 64, 65, 72, 78, 80, 81, 90, 96, 104, 108, 117, 120, 130, 135, 144, 156, 160, 162, 180, 192, 195, 208, 216, 234, 240, 260, 270, 288, 312, 320, 324, 351, 360, 390, 405, 416, 432, 468, 480, 520, 540, 576, 585, 624, 648, 702, 720, 780, 810, 832, 864, 936, 937, 960, 1040, 1053, 1080, 1170, 1248, 1296, 1404, 1440, 1560, 1620, 1728, 1755, 1872, 1874, 2080, 2106, 2160, 2340, 2496, 2592, 2808, 2811, 2880, 3120, 3240, 3510, 3744, 3748, 4160, 4212, 4320, 4680, 4685, 5184, 5265, 5616, 5622, 6240, 6480, 7020, 7488, 7496, 8424, 8433, 8640, 9360, 9370, 10530, 11232, 11244, 12181, 12480, 12960, 14040, 14055, 14992, 16848, 16866, 18720, 18740, 21060, 22464, 22488, 24362, 25299, 25920, 28080, 28110, 29984, 33696, 33732, 36543, 37440, 37480, 42120, 42165, 44976, 48724, 50598, 56160, 56220, 59968, 60905, 67392, 67464, 73086, 74960, 75897, 84240, 84330, 89952, 97448, 101196, 109629, 112320, 112440, 121810, 126495, 134928, 146172, 149920, 151794, 168480, 168660, 179904, 182715, 194896, 202392, 219258, 224880, 243620, 252990, 269856, 292344, 299840, 303588, 328887, 336960, 337320, 365430, 379485, 389792, 404784, 438516, 449760, 487240, 505980, 539712, 548145, 584688, 607176, 657774, 674640, 730860, 758970, 779584, 809568, 877032, 899520, 974480, 986661, 1011960, 1096290, 1169376, 1214352, 1315548, 1349280, 1461720, 1517940, 1619136, 1644435, 1754064, 1948960, 1973322, 2023920, 2192580, 2338752, 2428704, 2631096, 2698560, 2923440, 3035880, 3288870, 3508128, 3897920, 3946644, 4047840, 4385160, 4857408, 4933305, 5262192, 5846880, 6071760, 6577740, 7016256, 7893288, 8095680, 8770320, 9866610, 10524384, 11693760, 12143520, 13155480, 15786576, 17540640, 19733220, 21048768, 24287040, 26310960, 31573152, 35081280, 39466440, 52621920, 63146304, 78932880, 105243840, 157865760, 315731520]

約数ペア:

[(1, 315731520), (2, 157865760), (3, 105243840), (4, 78932880), (5, 63146304), (6, 52621920), (8, 39466440), (9, 35081280), (10, 31573152), (12, 26310960), (13, 24287040), (15, 21048768), (16, 19733220), (18, 17540640), (20, 15786576), (24, 13155480), (26, 12143520), (27, 11693760), (30, 10524384), (32, 9866610), (36, 8770320), (39, 8095680), (40, 7893288), (45, 7016256), (48, 6577740), (52, 6071760), (54, 5846880), (60, 5262192), (64, 4933305), (65, 4857408), (72, 4385160), (78, 4047840), (80, 3946644), (81, 3897920), (90, 3508128), (96, 3288870), (104, 3035880), (108, 2923440), (117, 2698560), (120, 2631096), (130, 2428704), (135, 2338752), (144, 2192580), (156, 2023920), (160, 1973322), (162, 1948960), (180, 1754064), (192, 1644435), (195, 1619136), (208, 1517940), (216, 1461720), (234, 1349280), (240, 1315548), (260, 1214352), (270, 1169376), (288, 1096290), (312, 1011960), (320, 986661), (324, 974480), (351, 899520), (360, 877032), (390, 809568), (405, 779584), (416, 758970), (432, 730860), (468, 674640), (480, 657774), (520, 607176), (540, 584688), (576, 548145), (585, 539712), (624, 505980), (648, 487240), (702, 449760), (720, 438516), (780, 404784), (810, 389792), (832, 379485), (864, 365430), (936, 337320), (937, 336960), (960, 328887), (1040, 303588), (1053, 299840), (1080, 292344), (1170, 269856), (1248, 252990), (1296, 243620), (1404, 224880), (1440, 219258), (1560, 202392), (1620, 194896), (1728, 182715), (1755, 179904), (1872, 168660), (1874, 168480), (2080, 151794), (2106, 149920), (2160, 146172), (2340, 134928), (2496, 126495), (2592, 121810), (2808, 112440), (2811, 112320), (2880, 109629), (3120, 101196), (3240, 97448), (3510, 89952), (3744, 84330), (3748, 84240), (4160, 75897), (4212, 74960), (4320, 73086), (4680, 67464), (4685, 67392), (5184, 60905), (5265, 59968), (5616, 56220), (5622, 56160), (6240, 50598), (6480, 48724), (7020, 44976), (7488, 42165), (7496, 42120), (8424, 37480), (8433, 37440), (8640, 36543), (9360, 33732), (9370, 33696), (10530, 29984), (11232, 28110), (11244, 28080), (12181, 25920), (12480, 25299), (12960, 24362), (14040, 22488), (14055, 22464), (14992, 21060), (16848, 18740), (16866, 18720)]