1647780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{947}}^1$

素因数の和:988

約数の個数: 48

約数和(自身を含む): 4777920

約数和(自身を除く): 3130140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 174, 290, 348, 435, 580, 870, 947, 1740, 1894, 2841, 3788, 4735, 5682, 9470, 11364, 14205, 18940, 27463, 28410, 54926, 56820, 82389, 109852, 137315, 164778, 274630, 329556, 411945, 549260, 823890, 1647780]

約数ペア:

[(1, 1647780), (2, 823890), (3, 549260), (4, 411945), (5, 329556), (6, 274630), (10, 164778), (12, 137315), (15, 109852), (20, 82389), (29, 56820), (30, 54926), (58, 28410), (60, 27463), (87, 18940), (116, 14205), (145, 11364), (174, 9470), (290, 5682), (348, 4735), (435, 3788), (580, 2841), (870, 1894), (947, 1740)]