28140660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1231}}^1$

素因数の和:1373

約数の個数: 72

約数和(自身を含む): 86102016

約数和(自身を除く): 57961356

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 127, 180, 254, 381, 508, 635, 762, 1143, 1231, 1270, 1524, 1905, 2286, 2462, 2540, 3693, 3810, 4572, 4924, 5715, 6155, 7386, 7620, 11079, 11430, 12310, 14772, 18465, 22158, 22860, 24620, 36930, 44316, 55395, 73860, 110790, 156337, 221580, 312674, 469011, 625348, 781685, 938022, 1407033, 1563370, 1876044, 2345055, 2814066, 3126740, 4690110, 5628132, 7035165, 9380220, 14070330, 28140660]

約数ペア:

[(1, 28140660), (2, 14070330), (3, 9380220), (4, 7035165), (5, 5628132), (6, 4690110), (9, 3126740), (10, 2814066), (12, 2345055), (15, 1876044), (18, 1563370), (20, 1407033), (30, 938022), (36, 781685), (45, 625348), (60, 469011), (90, 312674), (127, 221580), (180, 156337), (254, 110790), (381, 73860), (508, 55395), (635, 44316), (762, 36930), (1143, 24620), (1231, 22860), (1270, 22158), (1524, 18465), (1905, 14772), (2286, 12310), (2462, 11430), (2540, 11079), (3693, 7620), (3810, 7386), (4572, 6155), (4924, 5715)]