388328580

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{79903}}^1$

素因数の和:79927

約数の個数: 72

約数和(自身を含む): 1221572352

約数和(自身を除く): 833243772

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 4860, 79903, 159806, 239709, 319612, 399515, 479418, 719127, 799030, 958836, 1198545, 1438254, 1598060, 2157381, 2397090, 2876508, 3595635, 4314762, 4794180, 6472143, 7191270, 8629524, 10786905, 12944286, 14382540, 19416429, 21573810, 25888572, 32360715, 38832858, 43147620, 64721430, 77665716, 97082145, 129442860, 194164290, 388328580]

約数ペア:

[(1, 388328580), (2, 194164290), (3, 129442860), (4, 97082145), (5, 77665716), (6, 64721430), (9, 43147620), (10, 38832858), (12, 32360715), (15, 25888572), (18, 21573810), (20, 19416429), (27, 14382540), (30, 12944286), (36, 10786905), (45, 8629524), (54, 7191270), (60, 6472143), (81, 4794180), (90, 4314762), (108, 3595635), (135, 2876508), (162, 2397090), (180, 2157381), (243, 1598060), (270, 1438254), (324, 1198545), (405, 958836), (486, 799030), (540, 719127), (810, 479418), (972, 399515), (1215, 319612), (1620, 239709), (2430, 159806), (4860, 79903)]