39682620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{449}}^1\times {\mathrm{491}}^1$

素因数の和:955

約数の個数: 72

約数和(自身を含む): 120884400

約数和(自身を除く): 81201780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 449, 491, 898, 982, 1347, 1473, 1796, 1964, 2245, 2455, 2694, 2946, 4041, 4419, 4490, 4910, 5388, 5892, 6735, 7365, 8082, 8838, 8980, 9820, 13470, 14730, 16164, 17676, 20205, 22095, 26940, 29460, 40410, 44190, 80820, 88380, 220459, 440918, 661377, 881836, 1102295, 1322754, 1984131, 2204590, 2645508, 3306885, 3968262, 4409180, 6613770, 7936524, 9920655, 13227540, 19841310, 39682620]

約数ペア:

[(1, 39682620), (2, 19841310), (3, 13227540), (4, 9920655), (5, 7936524), (6, 6613770), (9, 4409180), (10, 3968262), (12, 3306885), (15, 2645508), (18, 2204590), (20, 1984131), (30, 1322754), (36, 1102295), (45, 881836), (60, 661377), (90, 440918), (180, 220459), (449, 88380), (491, 80820), (898, 44190), (982, 40410), (1347, 29460), (1473, 26940), (1796, 22095), (1964, 20205), (2245, 17676), (2455, 16164), (2694, 14730), (2946, 13470), (4041, 9820), (4419, 8980), (4490, 8838), (4910, 8082), (5388, 7365), (5892, 6735)]