28722840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{239357}}^1$

素因数の和:239371

約数の個数: 32

約数和(自身を含む): 86168880

約数和(自身を除く): 57446040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 239357, 478714, 718071, 957428, 1196785, 1436142, 1914856, 2393570, 2872284, 3590355, 4787140, 5744568, 7180710, 9574280, 14361420, 28722840]

約数ペア:

[(1, 28722840), (2, 14361420), (3, 9574280), (4, 7180710), (5, 5744568), (6, 4787140), (8, 3590355), (10, 2872284), (12, 2393570), (15, 1914856), (20, 1436142), (24, 1196785), (30, 957428), (40, 718071), (60, 478714), (120, 239357)]