30418520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{269}}^1$

素因数の和:548

約数の個数: 64

約数和(自身を含む): 75232800

約数和(自身を除く): 44814280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 257, 269, 440, 514, 538, 1028, 1076, 1285, 1345, 2056, 2152, 2570, 2690, 2827, 2959, 5140, 5380, 5654, 5918, 10280, 10760, 11308, 11836, 14135, 14795, 22616, 23672, 28270, 29590, 56540, 59180, 69133, 113080, 118360, 138266, 276532, 345665, 553064, 691330, 760463, 1382660, 1520926, 2765320, 3041852, 3802315, 6083704, 7604630, 15209260, 30418520]

約数ペア:

[(1, 30418520), (2, 15209260), (4, 7604630), (5, 6083704), (8, 3802315), (10, 3041852), (11, 2765320), (20, 1520926), (22, 1382660), (40, 760463), (44, 691330), (55, 553064), (88, 345665), (110, 276532), (220, 138266), (257, 118360), (269, 113080), (440, 69133), (514, 59180), (538, 56540), (1028, 29590), (1076, 28270), (1285, 23672), (1345, 22616), (2056, 14795), (2152, 14135), (2570, 11836), (2690, 11308), (2827, 10760), (2959, 10280), (5140, 5918), (5380, 5654)]