28974180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1879}}^1$

素因数の和:2148

約数の個数: 48

約数和(自身を含む): 81486720

約数和(自身を除く): 52512540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 257, 514, 771, 1028, 1285, 1542, 1879, 2570, 3084, 3758, 3855, 5140, 5637, 7516, 7710, 9395, 11274, 15420, 18790, 22548, 28185, 37580, 56370, 112740, 482903, 965806, 1448709, 1931612, 2414515, 2897418, 4829030, 5794836, 7243545, 9658060, 14487090, 28974180]

約数ペア:

[(1, 28974180), (2, 14487090), (3, 9658060), (4, 7243545), (5, 5794836), (6, 4829030), (10, 2897418), (12, 2414515), (15, 1931612), (20, 1448709), (30, 965806), (60, 482903), (257, 112740), (514, 56370), (771, 37580), (1028, 28185), (1285, 22548), (1542, 18790), (1879, 15420), (2570, 11274), (3084, 9395), (3758, 7710), (3855, 7516), (5140, 5637)]