90000

素因数分解:

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

素因数の和:34

約数の個数: 75

約数和(自身を含む): 314743

約数和(自身を除く): 224743

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 36, 40, 45, 48, 50, 60, 72, 75, 80, 90, 100, 120, 125, 144, 150, 180, 200, 225, 240, 250, 300, 360, 375, 400, 450, 500, 600, 625, 720, 750, 900, 1000, 1125, 1200, 1250, 1500, 1800, 1875, 2000, 2250, 2500, 3000, 3600, 3750, 4500, 5000, 5625, 6000, 7500, 9000, 10000, 11250, 15000, 18000, 22500, 30000, 45000, 90000]

約数ペア:

[(1, 90000), (2, 45000), (3, 30000), (4, 22500), (5, 18000), (6, 15000), (8, 11250), (9, 10000), (10, 9000), (12, 7500), (15, 6000), (16, 5625), (18, 5000), (20, 4500), (24, 3750), (25, 3600), (30, 3000), (36, 2500), (40, 2250), (45, 2000), (48, 1875), (50, 1800), (60, 1500), (72, 1250), (75, 1200), (80, 1125), (90, 1000), (100, 900), (120, 750), (125, 720), (144, 625), (150, 600), (180, 500), (200, 450), (225, 400), (240, 375), (250, 360)]