54167820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{128971}}^1$

素因数の和:128990

約数の個数: 48

約数和(自身を含む): 173338368

約数和(自身を除く): 119170548

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 128971, 257942, 386913, 515884, 644855, 773826, 902797, 1289710, 1547652, 1805594, 1934565, 2579420, 2708391, 3611188, 3869130, 4513985, 5416782, 7738260, 9027970, 10833564, 13541955, 18055940, 27083910, 54167820]

約数ペア:

[(1, 54167820), (2, 27083910), (3, 18055940), (4, 13541955), (5, 10833564), (6, 9027970), (7, 7738260), (10, 5416782), (12, 4513985), (14, 3869130), (15, 3611188), (20, 2708391), (21, 2579420), (28, 1934565), (30, 1805594), (35, 1547652), (42, 1289710), (60, 902797), (70, 773826), (84, 644855), (105, 515884), (140, 386913), (210, 257942), (420, 128971)]