15743820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1021}}^1$

素因数の和:1290

約数の個数: 48

約数和(自身を含む): 44297568

約数和(自身を除く): 28553748

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 257, 514, 771, 1021, 1028, 1285, 1542, 2042, 2570, 3063, 3084, 3855, 4084, 5105, 5140, 6126, 7710, 10210, 12252, 15315, 15420, 20420, 30630, 61260, 262397, 524794, 787191, 1049588, 1311985, 1574382, 2623970, 3148764, 3935955, 5247940, 7871910, 15743820]

約数ペア:

[(1, 15743820), (2, 7871910), (3, 5247940), (4, 3935955), (5, 3148764), (6, 2623970), (10, 1574382), (12, 1311985), (15, 1049588), (20, 787191), (30, 524794), (60, 262397), (257, 61260), (514, 30630), (771, 20420), (1021, 15420), (1028, 15315), (1285, 12252), (1542, 10210), (2042, 7710), (2570, 6126), (3063, 5140), (3084, 5105), (3855, 4084)]