21887760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{91199}}^1$

素因数の和:91215

約数の個数: 40

約数和(自身を含む): 67852800

約数和(自身を除く): 45965040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 91199, 182398, 273597, 364796, 455995, 547194, 729592, 911990, 1094388, 1367985, 1459184, 1823980, 2188776, 2735970, 3647960, 4377552, 5471940, 7295920, 10943880, 21887760]

約数ペア:

[(1, 21887760), (2, 10943880), (3, 7295920), (4, 5471940), (5, 4377552), (6, 3647960), (8, 2735970), (10, 2188776), (12, 1823980), (15, 1459184), (16, 1367985), (20, 1094388), (24, 911990), (30, 729592), (40, 547194), (48, 455995), (60, 364796), (80, 273597), (120, 182398), (240, 91199)]