305625000

素因数分解:

$2^3\times 3^1\times 5^7\times {\mathrm{163}}^1$

素因数の和:207

約数の個数: 128

約数和(自身を含む): 960935040

約数和(自身を除く): 655310040

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, 3125, 3260, 3750, 3912, 4075, 4890, 5000, 6250, 6520, 7500, 8150, 9375, 9780, 12225, 12500, 15000, 15625, 16300, 18750, 19560, 20375, 24450, 25000, 31250, 32600, 37500, 40750, 46875, 48900, 61125, 62500, 75000, 78125, 81500, 93750, 97800, 101875, 122250, 125000, 156250, 163000, 187500, 203750, 234375, 244500, 305625, 312500, 375000, 407500, 468750, 489000, 509375, 611250, 625000, 815000, 937500, 1018750, 1222500, 1528125, 1875000, 2037500, 2445000, 2546875, 3056250, 4075000, 5093750, 6112500, 7640625, 10187500, 12225000, 12734375, 15281250, 20375000, 25468750, 30562500, 38203125, 50937500, 61125000, 76406250, 101875000, 152812500, 305625000]

約数ペア:

[(1, 305625000), (2, 152812500), (3, 101875000), (4, 76406250), (5, 61125000), (6, 50937500), (8, 38203125), (10, 30562500), (12, 25468750), (15, 20375000), (20, 15281250), (24, 12734375), (25, 12225000), (30, 10187500), (40, 7640625), (50, 6112500), (60, 5093750), (75, 4075000), (100, 3056250), (120, 2546875), (125, 2445000), (150, 2037500), (163, 1875000), (200, 1528125), (250, 1222500), (300, 1018750), (326, 937500), (375, 815000), (489, 625000), (500, 611250), (600, 509375), (625, 489000), (652, 468750), (750, 407500), (815, 375000), (978, 312500), (1000, 305625), (1250, 244500), (1304, 234375), (1500, 203750), (1630, 187500), (1875, 163000), (1956, 156250), (2445, 125000), (2500, 122250), (3000, 101875), (3125, 97800), (3260, 93750), (3750, 81500), (3912, 78125), (4075, 75000), (4890, 62500), (5000, 61125), (6250, 48900), (6520, 46875), (7500, 40750), (8150, 37500), (9375, 32600), (9780, 31250), (12225, 25000), (12500, 24450), (15000, 20375), (15625, 19560), (16300, 18750)]