78123960

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{72337}}^1$

素因数の和:72357

約数の個数: 64

約数和(自身を含む): 260416800

約数和(自身を除く): 182292840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 72337, 144674, 217011, 289348, 361685, 434022, 578696, 651033, 723370, 868044, 1085055, 1302066, 1446740, 1736088, 1953099, 2170110, 2604132, 2893480, 3255165, 3906198, 4340220, 5208264, 6510330, 7812396, 8680440, 9765495, 13020660, 15624792, 19530990, 26041320, 39061980, 78123960]

約数ペア:

[(1, 78123960), (2, 39061980), (3, 26041320), (4, 19530990), (5, 15624792), (6, 13020660), (8, 9765495), (9, 8680440), (10, 7812396), (12, 6510330), (15, 5208264), (18, 4340220), (20, 3906198), (24, 3255165), (27, 2893480), (30, 2604132), (36, 2170110), (40, 1953099), (45, 1736088), (54, 1446740), (60, 1302066), (72, 1085055), (90, 868044), (108, 723370), (120, 651033), (135, 578696), (180, 434022), (216, 361685), (270, 289348), (360, 217011), (540, 144674), (1080, 72337)]