30739840

素因数分解:

$2^7\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1117}}^1$

素因数の和:1179

約数の個数: 64

約数和(自身を含む): 75263760

約数和(自身を除く): 44523920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 128, 160, 172, 215, 320, 344, 430, 640, 688, 860, 1117, 1376, 1720, 2234, 2752, 3440, 4468, 5504, 5585, 6880, 8936, 11170, 13760, 17872, 22340, 27520, 35744, 44680, 48031, 71488, 89360, 96062, 142976, 178720, 192124, 240155, 357440, 384248, 480310, 714880, 768496, 960620, 1536992, 1921240, 3073984, 3842480, 6147968, 7684960, 15369920, 30739840]

約数ペア:

[(1, 30739840), (2, 15369920), (4, 7684960), (5, 6147968), (8, 3842480), (10, 3073984), (16, 1921240), (20, 1536992), (32, 960620), (40, 768496), (43, 714880), (64, 480310), (80, 384248), (86, 357440), (128, 240155), (160, 192124), (172, 178720), (215, 142976), (320, 96062), (344, 89360), (430, 71488), (640, 48031), (688, 44680), (860, 35744), (1117, 27520), (1376, 22340), (1720, 17872), (2234, 13760), (2752, 11170), (3440, 8936), (4468, 6880), (5504, 5585)]