7848780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{509}}^1$

素因数の和:778

約数の個数: 48

約数和(自身を含む): 22105440

約数和(自身を除く): 14256660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 257, 509, 514, 771, 1018, 1028, 1285, 1527, 1542, 2036, 2545, 2570, 3054, 3084, 3855, 5090, 5140, 6108, 7635, 7710, 10180, 15270, 15420, 30540, 130813, 261626, 392439, 523252, 654065, 784878, 1308130, 1569756, 1962195, 2616260, 3924390, 7848780]

約数ペア:

[(1, 7848780), (2, 3924390), (3, 2616260), (4, 1962195), (5, 1569756), (6, 1308130), (10, 784878), (12, 654065), (15, 523252), (20, 392439), (30, 261626), (60, 130813), (257, 30540), (509, 15420), (514, 15270), (771, 10180), (1018, 7710), (1028, 7635), (1285, 6108), (1527, 5140), (1542, 5090), (2036, 3855), (2545, 3084), (2570, 3054)]