15373020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19709}}^1$

素因数の和:19734

約数の個数: 48

約数和(自身を含む): 46357920

約数和(自身を除く): 30984900

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, 19709, 39418, 59127, 78836, 98545, 118254, 197090, 236508, 256217, 295635, 394180, 512434, 591270, 768651, 1024868, 1182540, 1281085, 1537302, 2562170, 3074604, 3843255, 5124340, 7686510, 15373020]

約数ペア:

[(1, 15373020), (2, 7686510), (3, 5124340), (4, 3843255), (5, 3074604), (6, 2562170), (10, 1537302), (12, 1281085), (13, 1182540), (15, 1024868), (20, 768651), (26, 591270), (30, 512434), (39, 394180), (52, 295635), (60, 256217), (65, 236508), (78, 197090), (130, 118254), (156, 98545), (195, 78836), (260, 59127), (390, 39418), (780, 19709)]