12615040

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{857}}^1$

素因数の和:899

約数の個数: 64

約数和(自身を含む): 31505760

約数和(自身を除く): 18890720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 320, 368, 460, 640, 736, 857, 920, 1472, 1714, 1840, 2944, 3428, 3680, 4285, 6856, 7360, 8570, 13712, 14720, 17140, 19711, 27424, 34280, 39422, 54848, 68560, 78844, 98555, 109696, 137120, 157688, 197110, 274240, 315376, 394220, 548480, 630752, 788440, 1261504, 1576880, 2523008, 3153760, 6307520, 12615040]

約数ペア:

[(1, 12615040), (2, 6307520), (4, 3153760), (5, 2523008), (8, 1576880), (10, 1261504), (16, 788440), (20, 630752), (23, 548480), (32, 394220), (40, 315376), (46, 274240), (64, 197110), (80, 157688), (92, 137120), (115, 109696), (128, 98555), (160, 78844), (184, 68560), (230, 54848), (320, 39422), (368, 34280), (460, 27424), (640, 19711), (736, 17140), (857, 14720), (920, 13712), (1472, 8570), (1714, 7360), (1840, 6856), (2944, 4285), (3428, 3680)]