157500

素因数分解:

$2^2\times 3^2\times 5^4\times 7^1$

素因数の和:37

約数の個数: 90

約数和(自身を含む): 568568

約数和(自身を除く): 411068

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 30, 35, 36, 42, 45, 50, 60, 63, 70, 75, 84, 90, 100, 105, 125, 126, 140, 150, 175, 180, 210, 225, 250, 252, 300, 315, 350, 375, 420, 450, 500, 525, 625, 630, 700, 750, 875, 900, 1050, 1125, 1250, 1260, 1500, 1575, 1750, 1875, 2100, 2250, 2500, 2625, 3150, 3500, 3750, 4375, 4500, 5250, 5625, 6300, 7500, 7875, 8750, 10500, 11250, 13125, 15750, 17500, 22500, 26250, 31500, 39375, 52500, 78750, 157500]

約数ペア:

[(1, 157500), (2, 78750), (3, 52500), (4, 39375), (5, 31500), (6, 26250), (7, 22500), (9, 17500), (10, 15750), (12, 13125), (14, 11250), (15, 10500), (18, 8750), (20, 7875), (21, 7500), (25, 6300), (28, 5625), (30, 5250), (35, 4500), (36, 4375), (42, 3750), (45, 3500), (50, 3150), (60, 2625), (63, 2500), (70, 2250), (75, 2100), (84, 1875), (90, 1750), (100, 1575), (105, 1500), (125, 1260), (126, 1250), (140, 1125), (150, 1050), (175, 900), (180, 875), (210, 750), (225, 700), (250, 630), (252, 625), (300, 525), (315, 500), (350, 450), (375, 420)]