9375000

素因数分解:

$2^3\times 3^1\times 5^8$

素因数の和:49

約数の個数: 72

約数和(自身を含む): 29296860

約数和(自身を除く): 19921860

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, 1250, 1500, 1875, 2500, 3000, 3125, 3750, 5000, 6250, 7500, 9375, 12500, 15000, 15625, 18750, 25000, 31250, 37500, 46875, 62500, 75000, 78125, 93750, 125000, 156250, 187500, 234375, 312500, 375000, 390625, 468750, 625000, 781250, 937500, 1171875, 1562500, 1875000, 2343750, 3125000, 4687500, 9375000]

約数ペア:

[(1, 9375000), (2, 4687500), (3, 3125000), (4, 2343750), (5, 1875000), (6, 1562500), (8, 1171875), (10, 937500), (12, 781250), (15, 625000), (20, 468750), (24, 390625), (25, 375000), (30, 312500), (40, 234375), (50, 187500), (60, 156250), (75, 125000), (100, 93750), (120, 78125), (125, 75000), (150, 62500), (200, 46875), (250, 37500), (300, 31250), (375, 25000), (500, 18750), (600, 15625), (625, 15000), (750, 12500), (1000, 9375), (1250, 7500), (1500, 6250), (1875, 5000), (2500, 3750), (3000, 3125)]