7872780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{131213}}^1$

素因数の和:131225

約数の個数: 24

約数和(自身を含む): 22043952

約数和(自身を除く): 14171172

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 131213, 262426, 393639, 524852, 656065, 787278, 1312130, 1574556, 1968195, 2624260, 3936390, 7872780]

約数ペア:

[(1, 7872780), (2, 3936390), (3, 2624260), (4, 1968195), (5, 1574556), (6, 1312130), (10, 787278), (12, 656065), (15, 524852), (20, 393639), (30, 262426), (60, 131213)]