12315520

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{2749}}^1$

素因数の和:2775

約数の個数: 64

約数和(自身を含む): 33660000

約数和(自身を除く): 21344480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 2749, 4480, 5498, 10996, 13745, 19243, 21992, 27490, 38486, 43984, 54980, 76972, 87968, 96215, 109960, 153944, 175936, 192430, 219920, 307888, 351872, 384860, 439840, 615776, 769720, 879680, 1231552, 1539440, 1759360, 2463104, 3078880, 6157760, 12315520]

約数ペア:

[(1, 12315520), (2, 6157760), (4, 3078880), (5, 2463104), (7, 1759360), (8, 1539440), (10, 1231552), (14, 879680), (16, 769720), (20, 615776), (28, 439840), (32, 384860), (35, 351872), (40, 307888), (56, 219920), (64, 192430), (70, 175936), (80, 153944), (112, 109960), (128, 96215), (140, 87968), (160, 76972), (224, 54980), (280, 43984), (320, 38486), (448, 27490), (560, 21992), (640, 19243), (896, 13745), (1120, 10996), (2240, 5498), (2749, 4480)]