8972340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{11503}}^1$

素因数の和:11528

約数の個数: 48

約数和(自身を含む): 27057408

約数和(自身を除く): 18085068

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, 11503, 23006, 34509, 46012, 57515, 69018, 115030, 138036, 149539, 172545, 230060, 299078, 345090, 448617, 598156, 690180, 747695, 897234, 1495390, 1794468, 2243085, 2990780, 4486170, 8972340]

約数ペア:

[(1, 8972340), (2, 4486170), (3, 2990780), (4, 2243085), (5, 1794468), (6, 1495390), (10, 897234), (12, 747695), (13, 690180), (15, 598156), (20, 448617), (26, 345090), (30, 299078), (39, 230060), (52, 172545), (60, 149539), (65, 138036), (78, 115030), (130, 69018), (156, 57515), (195, 46012), (260, 34509), (390, 23006), (780, 11503)]