15554940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1979}}^1$

素因数の和:2122

約数の個数: 48

約数和(自身を含む): 43908480

約数和(自身を除く): 28353540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 131, 262, 393, 524, 655, 786, 1310, 1572, 1965, 1979, 2620, 3930, 3958, 5937, 7860, 7916, 9895, 11874, 19790, 23748, 29685, 39580, 59370, 118740, 259249, 518498, 777747, 1036996, 1296245, 1555494, 2592490, 3110988, 3888735, 5184980, 7777470, 15554940]

約数ペア:

[(1, 15554940), (2, 7777470), (3, 5184980), (4, 3888735), (5, 3110988), (6, 2592490), (10, 1555494), (12, 1296245), (15, 1036996), (20, 777747), (30, 518498), (60, 259249), (131, 118740), (262, 59370), (393, 39580), (524, 29685), (655, 23748), (786, 19790), (1310, 11874), (1572, 9895), (1965, 7916), (1979, 7860), (2620, 5937), (3930, 3958)]