12345280

素因数分解:

$2^6\times 5^1\times {\mathrm{173}}^1\times {\mathrm{223}}^1$

素因数の和:413

約数の個数: 56

約数和(自身を含む): 29699712

約数和(自身を除く): 17354432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 173, 223, 320, 346, 446, 692, 865, 892, 1115, 1384, 1730, 1784, 2230, 2768, 3460, 3568, 4460, 5536, 6920, 7136, 8920, 11072, 13840, 14272, 17840, 27680, 35680, 38579, 55360, 71360, 77158, 154316, 192895, 308632, 385790, 617264, 771580, 1234528, 1543160, 2469056, 3086320, 6172640, 12345280]

約数ペア:

[(1, 12345280), (2, 6172640), (4, 3086320), (5, 2469056), (8, 1543160), (10, 1234528), (16, 771580), (20, 617264), (32, 385790), (40, 308632), (64, 192895), (80, 154316), (160, 77158), (173, 71360), (223, 55360), (320, 38579), (346, 35680), (446, 27680), (692, 17840), (865, 14272), (892, 13840), (1115, 11072), (1384, 8920), (1730, 7136), (1784, 6920), (2230, 5536), (2768, 4460), (3460, 3568)]