1678720

素因数分解:

$2^7\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:123

約数の個数: 64

約数和(自身を含む): 4173840

約数和(自身を除く): 2495120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 61, 64, 80, 86, 122, 128, 160, 172, 215, 244, 305, 320, 344, 430, 488, 610, 640, 688, 860, 976, 1220, 1376, 1720, 1952, 2440, 2623, 2752, 3440, 3904, 4880, 5246, 5504, 6880, 7808, 9760, 10492, 13115, 13760, 19520, 20984, 26230, 27520, 39040, 41968, 52460, 83936, 104920, 167872, 209840, 335744, 419680, 839360, 1678720]

約数ペア:

[(1, 1678720), (2, 839360), (4, 419680), (5, 335744), (8, 209840), (10, 167872), (16, 104920), (20, 83936), (32, 52460), (40, 41968), (43, 39040), (61, 27520), (64, 26230), (80, 20984), (86, 19520), (122, 13760), (128, 13115), (160, 10492), (172, 9760), (215, 7808), (244, 6880), (305, 5504), (320, 5246), (344, 4880), (430, 3904), (488, 3440), (610, 2752), (640, 2623), (688, 2440), (860, 1952), (976, 1720), (1220, 1376)]