9981960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{193}}^1\times {\mathrm{431}}^1$

素因数の和:638

約数の個数: 64

約数和(自身を含む): 30170880

約数和(自身を除く): 20188920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 193, 386, 431, 579, 772, 862, 965, 1158, 1293, 1544, 1724, 1930, 2155, 2316, 2586, 2895, 3448, 3860, 4310, 4632, 5172, 5790, 6465, 7720, 8620, 10344, 11580, 12930, 17240, 23160, 25860, 51720, 83183, 166366, 249549, 332732, 415915, 499098, 665464, 831830, 998196, 1247745, 1663660, 1996392, 2495490, 3327320, 4990980, 9981960]

約数ペア:

[(1, 9981960), (2, 4990980), (3, 3327320), (4, 2495490), (5, 1996392), (6, 1663660), (8, 1247745), (10, 998196), (12, 831830), (15, 665464), (20, 499098), (24, 415915), (30, 332732), (40, 249549), (60, 166366), (120, 83183), (193, 51720), (386, 25860), (431, 23160), (579, 17240), (772, 12930), (862, 11580), (965, 10344), (1158, 8620), (1293, 7720), (1544, 6465), (1724, 5790), (1930, 5172), (2155, 4632), (2316, 4310), (2586, 3860), (2895, 3448)]