128493900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{142771}}^1$

素因数の和:142791

約数の個数: 54

約数和(自身を含む): 402759812

約数和(自身を除く): 274265912

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 225, 300, 450, 900, 142771, 285542, 428313, 571084, 713855, 856626, 1284939, 1427710, 1713252, 2141565, 2569878, 2855420, 3569275, 4283130, 5139756, 6424695, 7138550, 8566260, 10707825, 12849390, 14277100, 21415650, 25698780, 32123475, 42831300, 64246950, 128493900]

約数ペア:

[(1, 128493900), (2, 64246950), (3, 42831300), (4, 32123475), (5, 25698780), (6, 21415650), (9, 14277100), (10, 12849390), (12, 10707825), (15, 8566260), (18, 7138550), (20, 6424695), (25, 5139756), (30, 4283130), (36, 3569275), (45, 2855420), (50, 2569878), (60, 2141565), (75, 1713252), (90, 1427710), (100, 1284939), (150, 856626), (180, 713855), (225, 571084), (300, 428313), (450, 285542), (900, 142771)]