6491820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{421}}^1$

素因数の和:690

約数の個数: 48

約数和(自身を含む): 18291168

約数和(自身を除く): 11799348

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 257, 421, 514, 771, 842, 1028, 1263, 1285, 1542, 1684, 2105, 2526, 2570, 3084, 3855, 4210, 5052, 5140, 6315, 7710, 8420, 12630, 15420, 25260, 108197, 216394, 324591, 432788, 540985, 649182, 1081970, 1298364, 1622955, 2163940, 3245910, 6491820]

約数ペア:

[(1, 6491820), (2, 3245910), (3, 2163940), (4, 1622955), (5, 1298364), (6, 1081970), (10, 649182), (12, 540985), (15, 432788), (20, 324591), (30, 216394), (60, 108197), (257, 25260), (421, 15420), (514, 12630), (771, 8420), (842, 7710), (1028, 6315), (1263, 5140), (1285, 5052), (1542, 4210), (1684, 3855), (2105, 3084), (2526, 2570)]