31507140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{75017}}^1$

素因数の和:75036

約数の個数: 48

約数和(自身を含む): 100824192

約数和(自身を除く): 69317052

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, 75017, 150034, 225051, 300068, 375085, 450102, 525119, 750170, 900204, 1050238, 1125255, 1500340, 1575357, 2100476, 2250510, 2625595, 3150714, 4501020, 5251190, 6301428, 7876785, 10502380, 15753570, 31507140]

約数ペア:

[(1, 31507140), (2, 15753570), (3, 10502380), (4, 7876785), (5, 6301428), (6, 5251190), (7, 4501020), (10, 3150714), (12, 2625595), (14, 2250510), (15, 2100476), (20, 1575357), (21, 1500340), (28, 1125255), (30, 1050238), (35, 900204), (42, 750170), (60, 525119), (70, 450102), (84, 375085), (105, 300068), (140, 225051), (210, 150034), (420, 75017)]