30520840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5737}}^1$

素因数の和:5774

約数の個数: 64

約数和(自身を含む): 82627200

約数和(自身を除く): 52106360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 2660, 5320, 5737, 11474, 22948, 28685, 40159, 45896, 57370, 80318, 109003, 114740, 160636, 200795, 218006, 229480, 321272, 401590, 436012, 545015, 763021, 803180, 872024, 1090030, 1526042, 1606360, 2180060, 3052084, 3815105, 4360120, 6104168, 7630210, 15260420, 30520840]

約数ペア:

[(1, 30520840), (2, 15260420), (4, 7630210), (5, 6104168), (7, 4360120), (8, 3815105), (10, 3052084), (14, 2180060), (19, 1606360), (20, 1526042), (28, 1090030), (35, 872024), (38, 803180), (40, 763021), (56, 545015), (70, 436012), (76, 401590), (95, 321272), (133, 229480), (140, 218006), (152, 200795), (190, 160636), (266, 114740), (280, 109003), (380, 80318), (532, 57370), (665, 45896), (760, 40159), (1064, 28685), (1330, 22948), (2660, 11474), (5320, 5737)]