2553000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:84

約数の個数: 128

約数和(自身を含む): 8536320

約数和(自身を除く): 5983320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 25, 30, 37, 40, 46, 50, 60, 69, 74, 75, 92, 100, 111, 115, 120, 125, 138, 148, 150, 184, 185, 200, 222, 230, 250, 276, 296, 300, 345, 370, 375, 444, 460, 500, 552, 555, 575, 600, 690, 740, 750, 851, 888, 920, 925, 1000, 1110, 1150, 1380, 1480, 1500, 1702, 1725, 1850, 2220, 2300, 2553, 2760, 2775, 2875, 3000, 3404, 3450, 3700, 4255, 4440, 4600, 4625, 5106, 5550, 5750, 6808, 6900, 7400, 8510, 8625, 9250, 10212, 11100, 11500, 12765, 13800, 13875, 17020, 17250, 18500, 20424, 21275, 22200, 23000, 25530, 27750, 34040, 34500, 37000, 42550, 51060, 55500, 63825, 69000, 85100, 102120, 106375, 111000, 127650, 170200, 212750, 255300, 319125, 425500, 510600, 638250, 851000, 1276500, 2553000]

約数ペア:

[(1, 2553000), (2, 1276500), (3, 851000), (4, 638250), (5, 510600), (6, 425500), (8, 319125), (10, 255300), (12, 212750), (15, 170200), (20, 127650), (23, 111000), (24, 106375), (25, 102120), (30, 85100), (37, 69000), (40, 63825), (46, 55500), (50, 51060), (60, 42550), (69, 37000), (74, 34500), (75, 34040), (92, 27750), (100, 25530), (111, 23000), (115, 22200), (120, 21275), (125, 20424), (138, 18500), (148, 17250), (150, 17020), (184, 13875), (185, 13800), (200, 12765), (222, 11500), (230, 11100), (250, 10212), (276, 9250), (296, 8625), (300, 8510), (345, 7400), (370, 6900), (375, 6808), (444, 5750), (460, 5550), (500, 5106), (552, 4625), (555, 4600), (575, 4440), (600, 4255), (690, 3700), (740, 3450), (750, 3404), (851, 3000), (888, 2875), (920, 2775), (925, 2760), (1000, 2553), (1110, 2300), (1150, 2220), (1380, 1850), (1480, 1725), (1500, 1702)]