1285421760

素因数分解:

$2^6\times 3^2\times 5^1\times 7^1\times {\mathrm{63761}}^1$

素因数の和:63791

約数の個数: 168

約数和(自身を含む): 5053010976

約数和(自身を除く): 3767589216

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 420, 448, 480, 504, 560, 576, 630, 672, 720, 840, 960, 1008, 1120, 1260, 1344, 1440, 1680, 2016, 2240, 2520, 2880, 3360, 4032, 5040, 6720, 10080, 20160, 63761, 127522, 191283, 255044, 318805, 382566, 446327, 510088, 573849, 637610, 765132, 892654, 956415, 1020176, 1147698, 1275220, 1338981, 1530264, 1785308, 1912830, 2040352, 2231635, 2295396, 2550440, 2677962, 2869245, 3060528, 3570616, 3825660, 4016943, 4080704, 4463270, 4590792, 5100880, 5355924, 5738490, 6121056, 6694905, 7141232, 7651320, 8033886, 8926540, 9181584, 10201760, 10711848, 11476980, 12242112, 13389810, 14282464, 15302640, 16067772, 17853080, 18363168, 20084715, 20403520, 21423696, 22953960, 26779620, 28564928, 30605280, 32135544, 35706160, 36726336, 40169430, 42847392, 45907920, 53559240, 61210560, 64271088, 71412320, 80338860, 85694784, 91815840, 107118480, 128542176, 142824640, 160677720, 183631680, 214236960, 257084352, 321355440, 428473920, 642710880, 1285421760]

約数ペア:

[(1, 1285421760), (2, 642710880), (3, 428473920), (4, 321355440), (5, 257084352), (6, 214236960), (7, 183631680), (8, 160677720), (9, 142824640), (10, 128542176), (12, 107118480), (14, 91815840), (15, 85694784), (16, 80338860), (18, 71412320), (20, 64271088), (21, 61210560), (24, 53559240), (28, 45907920), (30, 42847392), (32, 40169430), (35, 36726336), (36, 35706160), (40, 32135544), (42, 30605280), (45, 28564928), (48, 26779620), (56, 22953960), (60, 21423696), (63, 20403520), (64, 20084715), (70, 18363168), (72, 17853080), (80, 16067772), (84, 15302640), (90, 14282464), (96, 13389810), (105, 12242112), (112, 11476980), (120, 10711848), (126, 10201760), (140, 9181584), (144, 8926540), (160, 8033886), (168, 7651320), (180, 7141232), (192, 6694905), (210, 6121056), (224, 5738490), (240, 5355924), (252, 5100880), (280, 4590792), (288, 4463270), (315, 4080704), (320, 4016943), (336, 3825660), (360, 3570616), (420, 3060528), (448, 2869245), (480, 2677962), (504, 2550440), (560, 2295396), (576, 2231635), (630, 2040352), (672, 1912830), (720, 1785308), (840, 1530264), (960, 1338981), (1008, 1275220), (1120, 1147698), (1260, 1020176), (1344, 956415), (1440, 892654), (1680, 765132), (2016, 637610), (2240, 573849), (2520, 510088), (2880, 446327), (3360, 382566), (4032, 318805), (5040, 255044), (6720, 191283), (10080, 127522), (20160, 63761)]