219894540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{811}}^1\times {\mathrm{4519}}^1$

素因数の和:5342

約数の個数: 48

約数和(自身を含む): 616600320

約数和(自身を除く): 396705780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 811, 1622, 2433, 3244, 4055, 4519, 4866, 8110, 9038, 9732, 12165, 13557, 16220, 18076, 22595, 24330, 27114, 45190, 48660, 54228, 67785, 90380, 135570, 271140, 3664909, 7329818, 10994727, 14659636, 18324545, 21989454, 36649090, 43978908, 54973635, 73298180, 109947270, 219894540]

約数ペア:

[(1, 219894540), (2, 109947270), (3, 73298180), (4, 54973635), (5, 43978908), (6, 36649090), (10, 21989454), (12, 18324545), (15, 14659636), (20, 10994727), (30, 7329818), (60, 3664909), (811, 271140), (1622, 135570), (2433, 90380), (3244, 67785), (4055, 54228), (4519, 48660), (4866, 45190), (8110, 27114), (9038, 24330), (9732, 22595), (12165, 18076), (13557, 16220)]