12906660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16547}}^1$

素因数の和:16572

約数の個数: 48

約数和(自身を含む): 38920896

約数和(自身を除く): 26014236

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, 16547, 33094, 49641, 66188, 82735, 99282, 165470, 198564, 215111, 248205, 330940, 430222, 496410, 645333, 860444, 992820, 1075555, 1290666, 2151110, 2581332, 3226665, 4302220, 6453330, 12906660]

約数ペア:

[(1, 12906660), (2, 6453330), (3, 4302220), (4, 3226665), (5, 2581332), (6, 2151110), (10, 1290666), (12, 1075555), (13, 992820), (15, 860444), (20, 645333), (26, 496410), (30, 430222), (39, 330940), (52, 248205), (60, 215111), (65, 198564), (78, 165470), (130, 99282), (156, 82735), (195, 66188), (260, 49641), (390, 33094), (780, 16547)]