86977020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{111509}}^1$

素因数の和:111534

約数の個数: 48

約数和(自身を含む): 262271520

約数和(自身を除く): 175294500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 111509, 223018, 334527, 446036, 557545, 669054, 1115090, 1338108, 1449617, 1672635, 2230180, 2899234, 3345270, 4348851, 5798468, 6690540, 7248085, 8697702, 14496170, 17395404, 21744255, 28992340, 43488510, 86977020]

約数ペア:

[(1, 86977020), (2, 43488510), (3, 28992340), (4, 21744255), (5, 17395404), (6, 14496170), (10, 8697702), (12, 7248085), (13, 6690540), (15, 5798468), (20, 4348851), (26, 3345270), (30, 2899234), (39, 2230180), (52, 1672635), (60, 1449617), (65, 1338108), (78, 1115090), (130, 669054), (156, 557545), (195, 446036), (260, 334527), (390, 223018), (780, 111509)]