15393320

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^2\times {\mathrm{137}}^1$

素因数の和:254

約数の個数: 48

約数和(自身を含む): 35558460

約数和(自身を除く): 20165140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 137, 212, 265, 274, 424, 530, 548, 685, 1060, 1096, 1370, 2120, 2740, 2809, 5480, 5618, 7261, 11236, 14045, 14522, 22472, 28090, 29044, 36305, 56180, 58088, 72610, 112360, 145220, 290440, 384833, 769666, 1539332, 1924165, 3078664, 3848330, 7696660, 15393320]

約数ペア:

[(1, 15393320), (2, 7696660), (4, 3848330), (5, 3078664), (8, 1924165), (10, 1539332), (20, 769666), (40, 384833), (53, 290440), (106, 145220), (137, 112360), (212, 72610), (265, 58088), (274, 56180), (424, 36305), (530, 29044), (548, 28090), (685, 22472), (1060, 14522), (1096, 14045), (1370, 11236), (2120, 7261), (2740, 5618), (2809, 5480)]