128400900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{428003}}^1$

素因数の和:428020

約数の個数: 36

約数和(自身を含む): 371507472

約数和(自身を除く): 243106572

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 300, 428003, 856006, 1284009, 1712012, 2140015, 2568018, 4280030, 5136036, 6420045, 8560060, 10700075, 12840090, 21400150, 25680180, 32100225, 42800300, 64200450, 128400900]

約数ペア:

[(1, 128400900), (2, 64200450), (3, 42800300), (4, 32100225), (5, 25680180), (6, 21400150), (10, 12840090), (12, 10700075), (15, 8560060), (20, 6420045), (25, 5136036), (30, 4280030), (50, 2568018), (60, 2140015), (75, 1712012), (100, 1284009), (150, 856006), (300, 428003)]