315000

素因数分解:

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

素因数の和:39

約数の個数: 120

約数和(自身を含む): 1218360

約数和(自身を除く): 903360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 25, 28, 30, 35, 36, 40, 42, 45, 50, 56, 60, 63, 70, 72, 75, 84, 90, 100, 105, 120, 125, 126, 140, 150, 168, 175, 180, 200, 210, 225, 250, 252, 280, 300, 315, 350, 360, 375, 420, 450, 500, 504, 525, 600, 625, 630, 700, 750, 840, 875, 900, 1000, 1050, 1125, 1250, 1260, 1400, 1500, 1575, 1750, 1800, 1875, 2100, 2250, 2500, 2520, 2625, 3000, 3150, 3500, 3750, 4200, 4375, 4500, 5000, 5250, 5625, 6300, 7000, 7500, 7875, 8750, 9000, 10500, 11250, 12600, 13125, 15000, 15750, 17500, 21000, 22500, 26250, 31500, 35000, 39375, 45000, 52500, 63000, 78750, 105000, 157500, 315000]

約数ペア:

[(1, 315000), (2, 157500), (3, 105000), (4, 78750), (5, 63000), (6, 52500), (7, 45000), (8, 39375), (9, 35000), (10, 31500), (12, 26250), (14, 22500), (15, 21000), (18, 17500), (20, 15750), (21, 15000), (24, 13125), (25, 12600), (28, 11250), (30, 10500), (35, 9000), (36, 8750), (40, 7875), (42, 7500), (45, 7000), (50, 6300), (56, 5625), (60, 5250), (63, 5000), (70, 4500), (72, 4375), (75, 4200), (84, 3750), (90, 3500), (100, 3150), (105, 3000), (120, 2625), (125, 2520), (126, 2500), (140, 2250), (150, 2100), (168, 1875), (175, 1800), (180, 1750), (200, 1575), (210, 1500), (225, 1400), (250, 1260), (252, 1250), (280, 1125), (300, 1050), (315, 1000), (350, 900), (360, 875), (375, 840), (420, 750), (450, 700), (500, 630), (504, 625), (525, 600)]