204959520

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{317}}^1\times {\mathrm{449}}^1$

素因数の和:787

約数の個数: 144

約数和(自身を含む): 703193400

約数和(自身を除く): 498233880

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, 240, 288, 317, 360, 449, 480, 634, 720, 898, 951, 1268, 1347, 1440, 1585, 1796, 1902, 2245, 2536, 2694, 2853, 3170, 3592, 3804, 4041, 4490, 4755, 5072, 5388, 5706, 6340, 6735, 7184, 7608, 8082, 8980, 9510, 10144, 10776, 11412, 12680, 13470, 14265, 14368, 15216, 16164, 17960, 19020, 20205, 21552, 22824, 25360, 26940, 28530, 30432, 32328, 35920, 38040, 40410, 43104, 45648, 50720, 53880, 57060, 64656, 71840, 76080, 80820, 91296, 107760, 114120, 129312, 142333, 152160, 161640, 215520, 228240, 284666, 323280, 426999, 456480, 569332, 646560, 711665, 853998, 1138664, 1280997, 1423330, 1707996, 2134995, 2277328, 2561994, 2846660, 3415992, 4269990, 4554656, 5123988, 5693320, 6404985, 6831984, 8539980, 10247976, 11386640, 12809970, 13663968, 17079960, 20495952, 22773280, 25619940, 34159920, 40991904, 51239880, 68319840, 102479760, 204959520]

約数ペア:

[(1, 204959520), (2, 102479760), (3, 68319840), (4, 51239880), (5, 40991904), (6, 34159920), (8, 25619940), (9, 22773280), (10, 20495952), (12, 17079960), (15, 13663968), (16, 12809970), (18, 11386640), (20, 10247976), (24, 8539980), (30, 6831984), (32, 6404985), (36, 5693320), (40, 5123988), (45, 4554656), (48, 4269990), (60, 3415992), (72, 2846660), (80, 2561994), (90, 2277328), (96, 2134995), (120, 1707996), (144, 1423330), (160, 1280997), (180, 1138664), (240, 853998), (288, 711665), (317, 646560), (360, 569332), (449, 456480), (480, 426999), (634, 323280), (720, 284666), (898, 228240), (951, 215520), (1268, 161640), (1347, 152160), (1440, 142333), (1585, 129312), (1796, 114120), (1902, 107760), (2245, 91296), (2536, 80820), (2694, 76080), (2853, 71840), (3170, 64656), (3592, 57060), (3804, 53880), (4041, 50720), (4490, 45648), (4755, 43104), (5072, 40410), (5388, 38040), (5706, 35920), (6340, 32328), (6735, 30432), (7184, 28530), (7608, 26940), (8082, 25360), (8980, 22824), (9510, 21552), (10144, 20205), (10776, 19020), (11412, 17960), (12680, 16164), (13470, 15216), (14265, 14368)]