19560000

素因数分解:

$2^6\times 3^1\times 5^4\times {\mathrm{163}}^1$

素因数の和:198

約数の個数: 140

約数和(自身を含む): 65066672

約数和(自身を除く): 45506672

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, 150, 160, 163, 192, 200, 240, 250, 300, 320, 326, 375, 400, 480, 489, 500, 600, 625, 652, 750, 800, 815, 960, 978, 1000, 1200, 1250, 1304, 1500, 1600, 1630, 1875, 1956, 2000, 2400, 2445, 2500, 2608, 3000, 3260, 3750, 3912, 4000, 4075, 4800, 4890, 5000, 5216, 6000, 6520, 7500, 7824, 8000, 8150, 9780, 10000, 10432, 12000, 12225, 13040, 15000, 15648, 16300, 19560, 20000, 20375, 24000, 24450, 26080, 30000, 31296, 32600, 39120, 40000, 40750, 48900, 52160, 60000, 61125, 65200, 78240, 81500, 97800, 101875, 120000, 122250, 130400, 156480, 163000, 195600, 203750, 244500, 260800, 305625, 326000, 391200, 407500, 489000, 611250, 652000, 782400, 815000, 978000, 1222500, 1304000, 1630000, 1956000, 2445000, 3260000, 3912000, 4890000, 6520000, 9780000, 19560000]

約数ペア:

[(1, 19560000), (2, 9780000), (3, 6520000), (4, 4890000), (5, 3912000), (6, 3260000), (8, 2445000), (10, 1956000), (12, 1630000), (15, 1304000), (16, 1222500), (20, 978000), (24, 815000), (25, 782400), (30, 652000), (32, 611250), (40, 489000), (48, 407500), (50, 391200), (60, 326000), (64, 305625), (75, 260800), (80, 244500), (96, 203750), (100, 195600), (120, 163000), (125, 156480), (150, 130400), (160, 122250), (163, 120000), (192, 101875), (200, 97800), (240, 81500), (250, 78240), (300, 65200), (320, 61125), (326, 60000), (375, 52160), (400, 48900), (480, 40750), (489, 40000), (500, 39120), (600, 32600), (625, 31296), (652, 30000), (750, 26080), (800, 24450), (815, 24000), (960, 20375), (978, 20000), (1000, 19560), (1200, 16300), (1250, 15648), (1304, 15000), (1500, 13040), (1600, 12225), (1630, 12000), (1875, 10432), (1956, 10000), (2000, 9780), (2400, 8150), (2445, 8000), (2500, 7824), (2608, 7500), (3000, 6520), (3260, 6000), (3750, 5216), (3912, 5000), (4000, 4890), (4075, 4800)]