8563620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{10979}}^1$

素因数の和:11004

約数の個数: 48

約数和(自身を含む): 25824960

約数和(自身を除く): 17261340

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, 10979, 21958, 32937, 43916, 54895, 65874, 109790, 131748, 142727, 164685, 219580, 285454, 329370, 428181, 570908, 658740, 713635, 856362, 1427270, 1712724, 2140905, 2854540, 4281810, 8563620]

約数ペア:

[(1, 8563620), (2, 4281810), (3, 2854540), (4, 2140905), (5, 1712724), (6, 1427270), (10, 856362), (12, 713635), (13, 658740), (15, 570908), (20, 428181), (26, 329370), (30, 285454), (39, 219580), (52, 164685), (60, 142727), (65, 131748), (78, 109790), (130, 65874), (156, 54895), (195, 43916), (260, 32937), (390, 21958), (780, 10979)]