90839520

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{317}}^1$

素因数の和:537

約数の個数: 144

約数和(自身を含む): 312530400

約数和(自身を除く): 221690880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 199, 240, 288, 317, 360, 398, 480, 597, 634, 720, 796, 951, 995, 1194, 1268, 1440, 1585, 1592, 1791, 1902, 1990, 2388, 2536, 2853, 2985, 3170, 3184, 3582, 3804, 3980, 4755, 4776, 5072, 5706, 5970, 6340, 6368, 7164, 7608, 7960, 8955, 9510, 9552, 10144, 11412, 11940, 12680, 14265, 14328, 15216, 15920, 17910, 19020, 19104, 22824, 23880, 25360, 28530, 28656, 30432, 31840, 35820, 38040, 45648, 47760, 50720, 57060, 57312, 63083, 71640, 76080, 91296, 95520, 114120, 126166, 143280, 152160, 189249, 228240, 252332, 286560, 315415, 378498, 456480, 504664, 567747, 630830, 756996, 946245, 1009328, 1135494, 1261660, 1513992, 1892490, 2018656, 2270988, 2523320, 2838735, 3027984, 3784980, 4541976, 5046640, 5677470, 6055968, 7569960, 9083952, 10093280, 11354940, 15139920, 18167904, 22709880, 30279840, 45419760, 90839520]

約数ペア:

[(1, 90839520), (2, 45419760), (3, 30279840), (4, 22709880), (5, 18167904), (6, 15139920), (8, 11354940), (9, 10093280), (10, 9083952), (12, 7569960), (15, 6055968), (16, 5677470), (18, 5046640), (20, 4541976), (24, 3784980), (30, 3027984), (32, 2838735), (36, 2523320), (40, 2270988), (45, 2018656), (48, 1892490), (60, 1513992), (72, 1261660), (80, 1135494), (90, 1009328), (96, 946245), (120, 756996), (144, 630830), (160, 567747), (180, 504664), (199, 456480), (240, 378498), (288, 315415), (317, 286560), (360, 252332), (398, 228240), (480, 189249), (597, 152160), (634, 143280), (720, 126166), (796, 114120), (951, 95520), (995, 91296), (1194, 76080), (1268, 71640), (1440, 63083), (1585, 57312), (1592, 57060), (1791, 50720), (1902, 47760), (1990, 45648), (2388, 38040), (2536, 35820), (2853, 31840), (2985, 30432), (3170, 28656), (3184, 28530), (3582, 25360), (3804, 23880), (3980, 22824), (4755, 19104), (4776, 19020), (5072, 17910), (5706, 15920), (5970, 15216), (6340, 14328), (6368, 14265), (7164, 12680), (7608, 11940), (7960, 11412), (8955, 10144), (9510, 9552)]