51261390

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{373}}^1\times {\mathrm{509}}^1$

素因数の和:898

約数の個数: 64

約数和(自身を含む): 137332800

約数和(自身を除く): 86071410

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 373, 509, 746, 1018, 1119, 1527, 1865, 2238, 2545, 3054, 3357, 3730, 4581, 5090, 5595, 6714, 7635, 9162, 10071, 11190, 13743, 15270, 16785, 20142, 22905, 27486, 33570, 45810, 50355, 68715, 100710, 137430, 189857, 379714, 569571, 949285, 1139142, 1708713, 1898570, 2847855, 3417426, 5126139, 5695710, 8543565, 10252278, 17087130, 25630695, 51261390]

約数ペア:

[(1, 51261390), (2, 25630695), (3, 17087130), (5, 10252278), (6, 8543565), (9, 5695710), (10, 5126139), (15, 3417426), (18, 2847855), (27, 1898570), (30, 1708713), (45, 1139142), (54, 949285), (90, 569571), (135, 379714), (270, 189857), (373, 137430), (509, 100710), (746, 68715), (1018, 50355), (1119, 45810), (1527, 33570), (1865, 27486), (2238, 22905), (2545, 20142), (3054, 16785), (3357, 15270), (3730, 13743), (4581, 11190), (5090, 10071), (5595, 9162), (6714, 7635)]