131125020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{168109}}^1$

素因数の和:168134

約数の個数: 48

約数和(自身を含む): 395394720

約数和(自身を除く): 264269700

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, 168109, 336218, 504327, 672436, 840545, 1008654, 1681090, 2017308, 2185417, 2521635, 3362180, 4370834, 5043270, 6556251, 8741668, 10086540, 10927085, 13112502, 21854170, 26225004, 32781255, 43708340, 65562510, 131125020]

約数ペア:

[(1, 131125020), (2, 65562510), (3, 43708340), (4, 32781255), (5, 26225004), (6, 21854170), (10, 13112502), (12, 10927085), (13, 10086540), (15, 8741668), (20, 6556251), (26, 5043270), (30, 4370834), (39, 3362180), (52, 2521635), (60, 2185417), (65, 2017308), (78, 1681090), (130, 1008654), (156, 840545), (195, 672436), (260, 504327), (390, 336218), (780, 168109)]