18031500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{4007}}^1$

素因数の和:4032

約数の個数: 72

約数和(自身を含む): 56897568

約数和(自身を除く): 38866068

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 125, 150, 180, 225, 250, 300, 375, 450, 500, 750, 900, 1125, 1500, 2250, 4007, 4500, 8014, 12021, 16028, 20035, 24042, 36063, 40070, 48084, 60105, 72126, 80140, 100175, 120210, 144252, 180315, 200350, 240420, 300525, 360630, 400700, 500875, 601050, 721260, 901575, 1001750, 1202100, 1502625, 1803150, 2003500, 3005250, 3606300, 4507875, 6010500, 9015750, 18031500]

約数ペア:

[(1, 18031500), (2, 9015750), (3, 6010500), (4, 4507875), (5, 3606300), (6, 3005250), (9, 2003500), (10, 1803150), (12, 1502625), (15, 1202100), (18, 1001750), (20, 901575), (25, 721260), (30, 601050), (36, 500875), (45, 400700), (50, 360630), (60, 300525), (75, 240420), (90, 200350), (100, 180315), (125, 144252), (150, 120210), (180, 100175), (225, 80140), (250, 72126), (300, 60105), (375, 48084), (450, 40070), (500, 36063), (750, 24042), (900, 20035), (1125, 16028), (1500, 12021), (2250, 8014), (4007, 4500)]