66545920

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{1061}}^1$

素因数の和:1096

約数の個数: 108

約数和(自身を含む): 185597244

約数和(自身を除く): 119051324

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 392, 448, 490, 560, 640, 784, 896, 980, 1061, 1120, 1280, 1568, 1792, 1960, 2122, 2240, 3136, 3920, 4244, 4480, 5305, 6272, 7427, 7840, 8488, 8960, 10610, 12544, 14854, 15680, 16976, 21220, 29708, 31360, 33952, 37135, 42440, 51989, 59416, 62720, 67904, 74270, 84880, 103978, 118832, 135808, 148540, 169760, 207956, 237664, 259945, 271616, 297080, 339520, 415912, 475328, 519890, 594160, 679040, 831824, 950656, 1039780, 1188320, 1358080, 1663648, 1901312, 2079560, 2376640, 3327296, 4159120, 4753280, 6654592, 8318240, 9506560, 13309184, 16636480, 33272960, 66545920]

約数ペア:

[(1, 66545920), (2, 33272960), (4, 16636480), (5, 13309184), (7, 9506560), (8, 8318240), (10, 6654592), (14, 4753280), (16, 4159120), (20, 3327296), (28, 2376640), (32, 2079560), (35, 1901312), (40, 1663648), (49, 1358080), (56, 1188320), (64, 1039780), (70, 950656), (80, 831824), (98, 679040), (112, 594160), (128, 519890), (140, 475328), (160, 415912), (196, 339520), (224, 297080), (245, 271616), (256, 259945), (280, 237664), (320, 207956), (392, 169760), (448, 148540), (490, 135808), (560, 118832), (640, 103978), (784, 84880), (896, 74270), (980, 67904), (1061, 62720), (1120, 59416), (1280, 51989), (1568, 42440), (1792, 37135), (1960, 33952), (2122, 31360), (2240, 29708), (3136, 21220), (3920, 16976), (4244, 15680), (4480, 14854), (5305, 12544), (6272, 10610), (7427, 8960), (7840, 8488)]