15750

素因数分解:

$2^1\times 3^2\times 5^3\times 7^1$

素因数の和:30

約数の個数: 48

約数和(自身を含む): 48672

約数和(自身を除く): 32922

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 30, 35, 42, 45, 50, 63, 70, 75, 90, 105, 125, 126, 150, 175, 210, 225, 250, 315, 350, 375, 450, 525, 630, 750, 875, 1050, 1125, 1575, 1750, 2250, 2625, 3150, 5250, 7875, 15750]

約数ペア:

[(1, 15750), (2, 7875), (3, 5250), (5, 3150), (6, 2625), (7, 2250), (9, 1750), (10, 1575), (14, 1125), (15, 1050), (18, 875), (21, 750), (25, 630), (30, 525), (35, 450), (42, 375), (45, 350), (50, 315), (63, 250), (70, 225), (75, 210), (90, 175), (105, 150), (125, 126)]