205463520

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{239}}^1$

素因数の和:462

約数の個数: 192

約数和(自身を含む): 725760000

約数和(自身を除く): 520296480

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, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 199, 216, 239, 240, 270, 288, 360, 398, 432, 478, 480, 540, 597, 717, 720, 796, 864, 956, 995, 1080, 1194, 1195, 1434, 1440, 1592, 1791, 1912, 1990, 2151, 2160, 2388, 2390, 2868, 2985, 3184, 3582, 3585, 3824, 3980, 4302, 4320, 4776, 4780, 5373, 5736, 5970, 6368, 6453, 7164, 7170, 7648, 7960, 8604, 8955, 9552, 9560, 10746, 10755, 11472, 11940, 12906, 14328, 14340, 15920, 17208, 17910, 19104, 19120, 21492, 21510, 22944, 23880, 25812, 26865, 28656, 28680, 31840, 32265, 34416, 35820, 38240, 42984, 43020, 47561, 47760, 51624, 53730, 57312, 57360, 64530, 68832, 71640, 85968, 86040, 95122, 95520, 103248, 107460, 114720, 129060, 142683, 143280, 171936, 172080, 190244, 206496, 214920, 237805, 258120, 285366, 286560, 344160, 380488, 428049, 429840, 475610, 516240, 570732, 713415, 760976, 856098, 859680, 951220, 1032480, 1141464, 1284147, 1426830, 1521952, 1712196, 1902440, 2140245, 2282928, 2568294, 2853660, 3424392, 3804880, 4280490, 4565856, 5136588, 5707320, 6420735, 6848784, 7609760, 8560980, 10273176, 11414640, 12841470, 13697568, 17121960, 20546352, 22829280, 25682940, 34243920, 41092704, 51365880, 68487840, 102731760, 205463520]

約数ペア:

[(1, 205463520), (2, 102731760), (3, 68487840), (4, 51365880), (5, 41092704), (6, 34243920), (8, 25682940), (9, 22829280), (10, 20546352), (12, 17121960), (15, 13697568), (16, 12841470), (18, 11414640), (20, 10273176), (24, 8560980), (27, 7609760), (30, 6848784), (32, 6420735), (36, 5707320), (40, 5136588), (45, 4565856), (48, 4280490), (54, 3804880), (60, 3424392), (72, 2853660), (80, 2568294), (90, 2282928), (96, 2140245), (108, 1902440), (120, 1712196), (135, 1521952), (144, 1426830), (160, 1284147), (180, 1141464), (199, 1032480), (216, 951220), (239, 859680), (240, 856098), (270, 760976), (288, 713415), (360, 570732), (398, 516240), (432, 475610), (478, 429840), (480, 428049), (540, 380488), (597, 344160), (717, 286560), (720, 285366), (796, 258120), (864, 237805), (956, 214920), (995, 206496), (1080, 190244), (1194, 172080), (1195, 171936), (1434, 143280), (1440, 142683), (1592, 129060), (1791, 114720), (1912, 107460), (1990, 103248), (2151, 95520), (2160, 95122), (2388, 86040), (2390, 85968), (2868, 71640), (2985, 68832), (3184, 64530), (3582, 57360), (3585, 57312), (3824, 53730), (3980, 51624), (4302, 47760), (4320, 47561), (4776, 43020), (4780, 42984), (5373, 38240), (5736, 35820), (5970, 34416), (6368, 32265), (6453, 31840), (7164, 28680), (7170, 28656), (7648, 26865), (7960, 25812), (8604, 23880), (8955, 22944), (9552, 21510), (9560, 21492), (10746, 19120), (10755, 19104), (11472, 17910), (11940, 17208), (12906, 15920), (14328, 14340)]