638210880

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{73867}}^1$

素因数の和:73893

約数の個数: 112

約数和(自身を含む): 2251496640

約数和(自身を除く): 1613285760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 432, 480, 540, 576, 720, 864, 960, 1080, 1440, 1728, 2160, 2880, 4320, 8640, 73867, 147734, 221601, 295468, 369335, 443202, 590936, 664803, 738670, 886404, 1108005, 1181872, 1329606, 1477340, 1772808, 1994409, 2216010, 2363744, 2659212, 2954680, 3324015, 3545616, 3988818, 4432020, 4727488, 5318424, 5909360, 6648030, 7091232, 7977636, 8864040, 9972045, 10636848, 11818720, 13296060, 14182464, 15955272, 17728080, 19944090, 21273696, 23637440, 26592120, 31910544, 35456160, 39888180, 42547392, 53184240, 63821088, 70912320, 79776360, 106368480, 127642176, 159552720, 212736960, 319105440, 638210880]

約数ペア:

[(1, 638210880), (2, 319105440), (3, 212736960), (4, 159552720), (5, 127642176), (6, 106368480), (8, 79776360), (9, 70912320), (10, 63821088), (12, 53184240), (15, 42547392), (16, 39888180), (18, 35456160), (20, 31910544), (24, 26592120), (27, 23637440), (30, 21273696), (32, 19944090), (36, 17728080), (40, 15955272), (45, 14182464), (48, 13296060), (54, 11818720), (60, 10636848), (64, 9972045), (72, 8864040), (80, 7977636), (90, 7091232), (96, 6648030), (108, 5909360), (120, 5318424), (135, 4727488), (144, 4432020), (160, 3988818), (180, 3545616), (192, 3324015), (216, 2954680), (240, 2659212), (270, 2363744), (288, 2216010), (320, 1994409), (360, 1772808), (432, 1477340), (480, 1329606), (540, 1181872), (576, 1108005), (720, 886404), (864, 738670), (960, 664803), (1080, 590936), (1440, 443202), (1728, 369335), (2160, 295468), (2880, 221601), (4320, 147734), (8640, 73867)]