18015000

素因数分解:

$2^3\times 3^1\times 5^4\times {\mathrm{1201}}^1$

素因数の和:1230

約数の個数: 80

約数和(自身を含む): 56325720

約数和(自身を除く): 38310720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 120, 125, 150, 200, 250, 300, 375, 500, 600, 625, 750, 1000, 1201, 1250, 1500, 1875, 2402, 2500, 3000, 3603, 3750, 4804, 5000, 6005, 7206, 7500, 9608, 12010, 14412, 15000, 18015, 24020, 28824, 30025, 36030, 48040, 60050, 72060, 90075, 120100, 144120, 150125, 180150, 240200, 300250, 360300, 450375, 600500, 720600, 750625, 900750, 1201000, 1501250, 1801500, 2251875, 3002500, 3603000, 4503750, 6005000, 9007500, 18015000]

約数ペア:

[(1, 18015000), (2, 9007500), (3, 6005000), (4, 4503750), (5, 3603000), (6, 3002500), (8, 2251875), (10, 1801500), (12, 1501250), (15, 1201000), (20, 900750), (24, 750625), (25, 720600), (30, 600500), (40, 450375), (50, 360300), (60, 300250), (75, 240200), (100, 180150), (120, 150125), (125, 144120), (150, 120100), (200, 90075), (250, 72060), (300, 60050), (375, 48040), (500, 36030), (600, 30025), (625, 28824), (750, 24020), (1000, 18015), (1201, 15000), (1250, 14412), (1500, 12010), (1875, 9608), (2402, 7500), (2500, 7206), (3000, 6005), (3603, 5000), (3750, 4804)]