978000000

素因数分解:

$2^7\times 3^1\times 5^6\times {\mathrm{163}}^1$

素因数の和:210

約数の個数: 224

約数和(自身を含む): 3267145680

約数和(自身を除く): 2289145680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 64, 75, 80, 96, 100, 120, 125, 128, 150, 160, 163, 192, 200, 240, 250, 300, 320, 326, 375, 384, 400, 480, 489, 500, 600, 625, 640, 652, 750, 800, 815, 960, 978, 1000, 1200, 1250, 1304, 1500, 1600, 1630, 1875, 1920, 1956, 2000, 2400, 2445, 2500, 2608, 3000, 3125, 3200, 3260, 3750, 3912, 4000, 4075, 4800, 4890, 5000, 5216, 6000, 6250, 6520, 7500, 7824, 8000, 8150, 9375, 9600, 9780, 10000, 10432, 12000, 12225, 12500, 13040, 15000, 15625, 15648, 16000, 16300, 18750, 19560, 20000, 20375, 20864, 24000, 24450, 25000, 26080, 30000, 31250, 31296, 32600, 37500, 39120, 40000, 40750, 46875, 48000, 48900, 50000, 52160, 60000, 61125, 62500, 62592, 65200, 75000, 78240, 80000, 81500, 93750, 97800, 100000, 101875, 104320, 120000, 122250, 125000, 130400, 150000, 156480, 163000, 187500, 195600, 200000, 203750, 240000, 244500, 250000, 260800, 300000, 305625, 312960, 326000, 375000, 391200, 400000, 407500, 489000, 500000, 509375, 521600, 600000, 611250, 652000, 750000, 782400, 815000, 978000, 1000000, 1018750, 1200000, 1222500, 1304000, 1500000, 1528125, 1564800, 1630000, 1956000, 2000000, 2037500, 2445000, 2546875, 2608000, 3000000, 3056250, 3260000, 3912000, 4075000, 4890000, 5093750, 6000000, 6112500, 6520000, 7640625, 7824000, 8150000, 9780000, 10187500, 12225000, 13040000, 15281250, 16300000, 19560000, 20375000, 24450000, 30562500, 32600000, 39120000, 40750000, 48900000, 61125000, 65200000, 81500000, 97800000, 122250000, 163000000, 195600000, 244500000, 326000000, 489000000, 978000000]

約数ペア:

[(1, 978000000), (2, 489000000), (3, 326000000), (4, 244500000), (5, 195600000), (6, 163000000), (8, 122250000), (10, 97800000), (12, 81500000), (15, 65200000), (16, 61125000), (20, 48900000), (24, 40750000), (25, 39120000), (30, 32600000), (32, 30562500), (40, 24450000), (48, 20375000), (50, 19560000), (60, 16300000), (64, 15281250), (75, 13040000), (80, 12225000), (96, 10187500), (100, 9780000), (120, 8150000), (125, 7824000), (128, 7640625), (150, 6520000), (160, 6112500), (163, 6000000), (192, 5093750), (200, 4890000), (240, 4075000), (250, 3912000), (300, 3260000), (320, 3056250), (326, 3000000), (375, 2608000), (384, 2546875), (400, 2445000), (480, 2037500), (489, 2000000), (500, 1956000), (600, 1630000), (625, 1564800), (640, 1528125), (652, 1500000), (750, 1304000), (800, 1222500), (815, 1200000), (960, 1018750), (978, 1000000), (1000, 978000), (1200, 815000), (1250, 782400), (1304, 750000), (1500, 652000), (1600, 611250), (1630, 600000), (1875, 521600), (1920, 509375), (1956, 500000), (2000, 489000), (2400, 407500), (2445, 400000), (2500, 391200), (2608, 375000), (3000, 326000), (3125, 312960), (3200, 305625), (3260, 300000), (3750, 260800), (3912, 250000), (4000, 244500), (4075, 240000), (4800, 203750), (4890, 200000), (5000, 195600), (5216, 187500), (6000, 163000), (6250, 156480), (6520, 150000), (7500, 130400), (7824, 125000), (8000, 122250), (8150, 120000), (9375, 104320), (9600, 101875), (9780, 100000), (10000, 97800), (10432, 93750), (12000, 81500), (12225, 80000), (12500, 78240), (13040, 75000), (15000, 65200), (15625, 62592), (15648, 62500), (16000, 61125), (16300, 60000), (18750, 52160), (19560, 50000), (20000, 48900), (20375, 48000), (20864, 46875), (24000, 40750), (24450, 40000), (25000, 39120), (26080, 37500), (30000, 32600), (31250, 31296)]