31980160

素因数分解:

$2^7\times 5^1\times {\mathrm{107}}^1\times {\mathrm{467}}^1$

素因数の和:593

約数の個数: 64

約数和(自身を含む): 77332320

約数和(自身を除く): 45352160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 107, 128, 160, 214, 320, 428, 467, 535, 640, 856, 934, 1070, 1712, 1868, 2140, 2335, 3424, 3736, 4280, 4670, 6848, 7472, 8560, 9340, 13696, 14944, 17120, 18680, 29888, 34240, 37360, 49969, 59776, 68480, 74720, 99938, 149440, 199876, 249845, 298880, 399752, 499690, 799504, 999380, 1599008, 1998760, 3198016, 3997520, 6396032, 7995040, 15990080, 31980160]

約数ペア:

[(1, 31980160), (2, 15990080), (4, 7995040), (5, 6396032), (8, 3997520), (10, 3198016), (16, 1998760), (20, 1599008), (32, 999380), (40, 799504), (64, 499690), (80, 399752), (107, 298880), (128, 249845), (160, 199876), (214, 149440), (320, 99938), (428, 74720), (467, 68480), (535, 59776), (640, 49969), (856, 37360), (934, 34240), (1070, 29888), (1712, 18680), (1868, 17120), (2140, 14944), (2335, 13696), (3424, 9340), (3736, 8560), (4280, 7472), (4670, 6848)]