2445000

素因数分解:

$2^3\times 3^1\times 5^4\times {\mathrm{163}}^1$

素因数の和:192

約数の個数: 80

約数和(自身を含む): 7685040

約数和(自身を除く): 5240040

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, 163, 200, 250, 300, 326, 375, 489, 500, 600, 625, 652, 750, 815, 978, 1000, 1250, 1304, 1500, 1630, 1875, 1956, 2445, 2500, 3000, 3260, 3750, 3912, 4075, 4890, 5000, 6520, 7500, 8150, 9780, 12225, 15000, 16300, 19560, 20375, 24450, 32600, 40750, 48900, 61125, 81500, 97800, 101875, 122250, 163000, 203750, 244500, 305625, 407500, 489000, 611250, 815000, 1222500, 2445000]

約数ペア:

[(1, 2445000), (2, 1222500), (3, 815000), (4, 611250), (5, 489000), (6, 407500), (8, 305625), (10, 244500), (12, 203750), (15, 163000), (20, 122250), (24, 101875), (25, 97800), (30, 81500), (40, 61125), (50, 48900), (60, 40750), (75, 32600), (100, 24450), (120, 20375), (125, 19560), (150, 16300), (163, 15000), (200, 12225), (250, 9780), (300, 8150), (326, 7500), (375, 6520), (489, 5000), (500, 4890), (600, 4075), (625, 3912), (652, 3750), (750, 3260), (815, 3000), (978, 2500), (1000, 2445), (1250, 1956), (1304, 1875), (1500, 1630)]