208078720

素因数分解:

$2^7\times 5^1\times {\mathrm{43}}^1\times {\mathrm{7561}}^1$

素因数の和:7623

約数の個数: 64

約数和(自身を含む): 509073840

約数和(自身を除く): 300995120

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, 1376, 1720, 2752, 3440, 5504, 6880, 7561, 13760, 15122, 27520, 30244, 37805, 60488, 75610, 120976, 151220, 241952, 302440, 325123, 483904, 604880, 650246, 967808, 1209760, 1300492, 1625615, 2419520, 2600984, 3251230, 4839040, 5201968, 6502460, 10403936, 13004920, 20807872, 26009840, 41615744, 52019680, 104039360, 208078720]

約数ペア:

[(1, 208078720), (2, 104039360), (4, 52019680), (5, 41615744), (8, 26009840), (10, 20807872), (16, 13004920), (20, 10403936), (32, 6502460), (40, 5201968), (43, 4839040), (64, 3251230), (80, 2600984), (86, 2419520), (128, 1625615), (160, 1300492), (172, 1209760), (215, 967808), (320, 650246), (344, 604880), (430, 483904), (640, 325123), (688, 302440), (860, 241952), (1376, 151220), (1720, 120976), (2752, 75610), (3440, 60488), (5504, 37805), (6880, 30244), (7561, 27520), (13760, 15122)]